Plant Information Resource Center

A Service Provided by Bohn's Farm and Greenhouses

Bohn's Farm and Greenhouses, a WHOLESALE-TO-THE-TRADE ONLY grower of herbaceous plants, offers this Plant Information Resource Center for the benefit of the green industry professional and the home gardener/landscape enthusiast.  This section of our website can also be accessed via www.PerennialPicks.com.

The Plant Information Resource Center is supported by an extensive plant database that we initially developed in 1997.  Since its inception, the Bohn's Farm plant database has continuously been updated with the most relevant and timely plant information. The database has offered the foundation of information for publishing 4 editions of the Bohn's Farm Plant Reference Guide in the years 1998, 2000, 2003 and 2006. The information presented on our extensive and ever-expanding custom plant tags is also supported by this central database.

The Bohn's Farm plant database is quite dynamic.  We encourage your comments for improving plant information content, accuracy and display format.  This website updated frequently with new plant information. 

Acanthus spinosus Bear'S Breeches, Spiny Upright spikes of purple and white flowers in early summer. Glossy, deeply lobed leaves with spiny margins form large clumps. Reliable and vigorous. Acanthus leaves have a classical appearance and were the source of the Corinthian leaf motif developed and used as a decoration in ancient Greek and Roman art and architecture. [ More Info ]

Achillea 'Coronation Gold' Yarrow Golden-yellow flower clusters are 3-4" wide on strong stems. Fernlike foliage is gray-green and wooly. [ More Info ]

Achillea 'Moonshine' Yarrow Clump-forming yarrow with flat-topped canary yellow flower clusters and bright silver, ferny foliage. Blooms over a long period. Will rebloom if cut back. [ More Info ]

Achillea millefolium 'Paprika' Yarrow Luscious apple-red and paprika colored flowers with sulphur yellow centers appear in flat clusters atop tall stems. Gray-green ferny foliage forms a compact, spreading mound. [ More Info ]

Adiantum pedatum Fern, Northern Maidenhair Dainty bright green fronds on shiny black stems create a light, airy texture. Spreads by shallow rhizomes to form a dense groundcover . Thrives in moist, loose, rich soil. [ More Info ]

Aegopodium podagraria 'Variegatum' Snow-On-The-Mountain Green foliage with creamy white margins. Flowers are inconspicuous. A good ground cover but can be aggressive. Best if planted in a contained area. [ More Info ]

Agastache 'Blue Fortune' Hyssop, Anise Purple-blue flower spikes from mid- to late summer attract butterflies and hummingbirds. Foliage is very fragrant. [ More Info ]

Ajuga reptans 'Chocolate Chip' Bugleweed, Dwarf Petite selection forms a dense mat of foliage. Narrow, shiny leaves are chocolate with burgundy highlights. Light blue flower spikes appear in April. Stunning show of color when planted in mass. [ More Info ]

Amsonia hubrichtii Blue Star, Narrow-Leaf Pale blue star-like flowers in April and May. Narrow, feathery shrub-like foliage is green in summer, turning brilliant golden-yellow in the autumn. Excellent when massed. [ More Info ]

Amsonia tabernaemontana Blue Star Loose clusters of lilac blue star-shaped flowers bloom in May. Willow like leaves turn a stunning shade of yellow-orange in autumn. Drought tolerant. Easy to grow. Midwest native. [ More Info ]

Anemone 'Honorine Jobert' Windflower Single white flowers with yellow center on tall graceful stems August through October. Dark green foliage forms attractive compact mound. Spreads by creeping rhizomes. [ More Info ]

Anemone 'Pamina' Windflower Japanese anemones are the perfect perennial to incorporate into your late summer and fall gardens. ‘Pamina’ comes into its prime just as other plants are beginning to retire for the season. From late summer into mid-fall, deep rosy pink 2.5" double flowers top tall, graceful stems which sway beautifully in the wind. Individual petals are elongated and daisy-like. Try planting Japanese anemones with other fall bloomers such as asters, snakeroot, and toad lilies. [ More Info ]

Anemone 'Whirlwind' Windflower Semi-double pure white flowers are 4" across blooming September and October. [ More Info ]

Anemone hupehensis 'September Charm' Windflower [ More Info ]

Anemone sylvestris Anemone, Snowdrop Spring blooming Anemone has pure white, fragrant flowers with yellow stamens. Blooms rise above foliage on sturdy stems in April. Interesting white, wooly seed heads follow flowers. Spreads by rhizomes. [ More Info ]

Armeria maritima 'Splendens' Thrift Long-blooming, hot pink flowers on compact plants bloom late April through early June with grass-like foliage. [ More Info ]

Artemisia schmidtiana 'Powis Castle' Wormwood Mounding, feathery, aromatic, silver foliage. Good filler plant. Drought tolerant. Foliage resists late season frost damage, thus maintaining garden interest into early winter. [ More Info ]

Artemisia schmidtiana 'Silver Mound' Wormwood Finely cut, soft, silver foliage forms a neat, rounded mound. Drought tolerant. Noninvasive variety. Insignificant flowers. Prefers poorly fertile soil. Cut back in late spring to avoid "melting out". [ More Info ]

Aruncus dioicus Goat'S Beard Large wands of frothy, creamy white flowers in May and June. Foliage is similar to astilbe but growth habit is shrub-like. A good native for woodland gardens. [ More Info ]

Arundo donax 'Versicolor' Grass, Striped Giant Reed A striking specimen plant with stiff, upright, variegated leaves. Plants resemble huge corn plants. Heat tolerant but needs moist, well-drained soil. Hardy with winter protection. [ More Info ]

Asarum canadense Ginger, Wild A deciduous ground cover with soft green, kidney-shaped leaves. Inconspicuous greenish brown flowers in April and May. Forms large colonies in cool, moist woodland areas. Very good deciduous ground cover for the shade garden. [ More Info ]

Asclepias incarnata 'Ice Ballet' Milkweed, Swamp Large clusters of long-lasting, small white flowers. Host plant for the monarch butterfly and a great nectar plant for many other butterfly species. As the common name suggests, this species grows best in moist soil but will tolerate drier conditions. [ More Info ]

Asclepias tuberosa Milkweed, Butterfly Abundance of bright orange flowers June through August. Host plant for the monarch butterfly and a superior nectar plant for many other butterfly species. Requires well-drained soil. [ More Info ]

Asclepias tuberosa 'Hello Yellow' Milkweed, Butterfly Clusters of vibrant yellow flowers bloom for many weeks. Host plant for the monarch butterfly and a superior nectar plant for many other butterfly species. [ More Info ]

Aster (syn Symphyotrichum) dumosus 'Wood's Light Blue' Aster Light blue flowers for four to six weeks from late summer through early fall. Clean compact foliage is resistant to mildew and rust. [ More Info ]

Aster (syn Symphyotrichum) dumosus 'Wood's Pink' Aster Pale pink flowers with yellow centers for four to six weeks from late summer through early fall. Clean compact foliage is resistant to mildew and rust. Easy to grow. Tolerates clay soils. [ More Info ]

Aster (syn Symphyotrichum) dumosus 'Wood's Purple' Aster Purple-blue flowers with yellow centers for four to six weeks from late summer through early fall. Clean compact foliage is resistant to mildew and rust. [ More Info ]

Aster (syn Symphyotrichum) ericodes 'Snow Flurry' Aster Large white flower heads. [ More Info ]

Aster (syn Symphyotrichum) novae-angliae Aster, New England Blooms August and September. AKA Symphyotrichum novae-angliae. [ More Info ]

Aster (syn Symphyotrichum) novae-angliae 'Purple Dome' Aster, New England Heavy blooming with deep purple flowers late July or early August and continuing through September and October. Densely compact mounded growth habit. While this plant may appear leggy in a container on the retail shelf, Purple Dome exhibits outstanding landscape performance and still offers the richest purple flower among all Asters. AKA Symphyotrichum novae-angliae. [ More Info ]

Aster (syn Symphyotrichum) oblongifolius Aster, Aromatic A charming native with masses of blue-purple daisy like flowers blooming July through frost. Blue-green foliage forms tidy, compact, self-supporting mound and is aromatic when crushed. Neat, dome-shaped habit. AKA Symphyotrichum oblongifolium. [ More Info ]

Astilbe chinensis 'PURPLE CANDLES Purpurkerze' Astilbe, Chinese A big, bold astilbe with dense, poker-like purple-red flower plumes in June and July. Very unique and useful tall Astilbe best placed in the back of the garden border. AKA Purple Candles. [ More Info ]

Astilbe chinensis 'Visions' Astilbe, Chinese Upright raspberry red plumes are sweetly scented. Deep bronze-green foliage. Tougher than arendsii types, A. chinensis grows best in moist soil but will tolerate temporary drought without burning. Blooms mid- to late-season. [ More Info ]

Astilbe chinensis var. pumila Astilbe, Chinese Lilac-pink fluffy flower plumes June through August on graceful, fernlike foliage mounds . Dwarf variety spreads to form an excellent ground cover. Needs consistent moisture for best performance. [ More Info ]

Astilbe japonica 'Deutschland' Astilbe Pure white, open lacy panicles in May and June above glossy deep green foliage. Early to midseason bloomer. [ More Info ]

Astilbe japonica 'Montgomery' Astilbe Dark magenta-red flower plumes rise above foliage in June. Glossy green, fern-like foliage, emerges bronze in spring. Stems are dark red. Thrives in moist conditions. Early to midseason bloomer. [ More Info ]

Astilbe japonica 'Peach Blossom' Astilbe Dense, pyramidal flower clusters are delicate peach with a hint of pink. Early blooming species blooms in mid May and early June. Fern-like mounds of glossy green foliage is sometimes tinged with red. Requires some sun to bloom. [ More Info ]

Astilbe japonica 'Rheinland' Astilbe Clear rose-pink flowers are held in large, diamond-shaped panicles. Very floriferous and vigorous. Large, mid-green leaves. One of the best early pink Astilbes. [ More Info ]

Astilbe x arendsii 'Bridal Veil' Astilbe Frothy profusion of pure white flowers. Midseason bloomer. [ More Info ]

Astilbe x arendsii 'Fanal' Astilbe Blood red flowers are presented in upright spires. Foliage is mahogany red in spring, turning green by summer. Very popular selection. Midseason bloomer. [ More Info ]

Athyrium filix-femina Fern, Lady Bright green, lacy fronds arise from creeping rhizomes. Clumps are dense and upright. Vigorous and easy to grow. [ More Info ]

Athyrium niponicum 'Pictum' Fern, Japanese Painted Showy silvery-grey fronds with purple-red veining and stems. Low, mounding habit. Brightens dark spots in shade border. Partners well with purple and red foliage plants. A tough fern for the Midwest. Easy to grow. 2001 Illinois Perennial Plant of the Year. [ More Info ]

Baptisia 'Purple Smoke' Indigo, False Large spikes of blue-purple lupine-like flowers held aloft on charcoal gray stems. Gray-green, clover-like foliage. Black seed pods form after flowering. [ More Info ]

Baptisia alba (syn. B. leucantha) Indigo, False White flowers with black stems in May into early June. Slightly weeping habit. Native. [ More Info ]

Baptisia australis Indigo, False [ More Info ]

Belamcanda chinensis 'Hello Yellow' Lily, Blackberry Sword-shaped, iris-like leaves precede a multitude of midsummer spotless yellow, star-shaped blooms. Pear-shaped tan seed pods open to reveal clusters of blackberry-like seeds, which persist into winter. More compact than the species. [ More Info ]

Calamagrostis arundinacea 'Karl Foerster' Grass, Feather Reed [ More Info ]

Callicarpa americana Beautyberry, American [ More Info ]

Callirhoe involucrata Poppy Mallow, Purple Showy, cup-shaped magenta flowers bloom June through frost. Foliage forms trailing stems that forms excellent ground cover or hangs over walls. Drought tolerant. [ More Info ]

Carex elata 'Bowles Golden' Sedge, Golden Bright gold foliage changing to light green later in the season. Requires consistent moisture to thrive. Provides bright accent in the shade garden. [ More Info ]

Carex glauca 'Blue Zinger' Sedge, Blue Steel blue semi-evergreen grass-like foliage. Colonizes to form a graceful ground cover. Thrives in moist soil but tolerates some drought. Provides winter interest. [ More Info ]

Carex hachijoensis 'Evergold' Sedge, Variegated Bright, creamy yellow leaves with green margins form dense graceful clumps. Semi-evergreen foliage provides winter interest. Prefers moist, rich soil but will tolerate some drought. [ More Info ]

Carex morrowii 'Ice Dance' Sedge, Variegated Japanese Clear white margins on dark green leaves form compact, dense, colonizing tufts. Establishes quickly. Outstanding glasslike plant for the shade garden! Provides year round interest. An excellent, very winter hardy alternative to variegated Liriope. [ More Info ]

Carex muskingumensis 'Little Midge' Sedge, Palm Finley textured bright green leaves forms dense clumps. Dwarf selection maintains a neat and very uniform growth habit. Prefers consistently moist and fertile soil. Spreads by rhizomes. [ More Info ]

Carex pensylvanica Sedge, Pennsylvania A compact sedge with arching, semi-evergreen, fine-texture foliage. An excellent shade to part shade groundcover. Tolerant of tough urban conditions, especially under trees. An American native. [ More Info ]

Ceanothus americanus New Jersy Tea Shrub [ More Info ]

Centranthus ruber 'Coccineus' Valerian A profusion of cherry red flowers on top of glaucous foliage with a spreading habit. Cut back after the first bloom to encourage repeat bloom. Prefers well-drained, infertile, alkaline soil. [ More Info ]

Ceratostigma plumbaginoides Leadwort (Pumbago) Long blooming gentian blue flowers from late June or July through frost. Glossy green leaves turn reddish bronze in autumn. Excellent, long-lived groundcover tolerates a wide range of conditions. Not evergreen. An excellent ground cover. [ More Info ]

Chasmanthium (syn Uniola) latifolium Grass, Northern River Oats Upright clumps of bamboo-like foliage. Green foliage turns copper in fall and brown in winter. Attractive flat flower spikes hang down from flowering stems. Prefers light shade and damp locations. Can self-sow. [ More Info ]

Chelone glabra Turtlehead White spike flowers with a tinge of pink appear August through October. Flowers look like a turtle's head. Deep green foliage on upright stems looks good all season. A Midwest native. [ More Info ]

Chelone lyonii 'Hot Lips' Turtlehead Dense spikes of rose red flowers for four weeks in late summer. Foliage is deeper green than the species. Stems are red and new spring growth has a bronze tint. [ More Info ]

Chelone obliqua Turtlehead [ More Info ]

Clematis 'Belle of Woking' Clematis Large silvery-mauve to white double flowers fade to silvery blue. Double flowers are 4-6" wide on old growth in May and June. Single flowers may appear on new growth in September and October. [ More Info ]

Clematis 'Candida' Clematis Huge pure white flowers with yellow stamens. Blooms are 6-9" June through July with slightly smaller flowers August and September. Long blooming variety. [ More Info ]

Clematis 'Dr. Ruppel' Clematis Huge pale orchid, wavy petals with a wide carmine central bar and yellow stamens. Largest flowers are 6-8"on old growth in May and June. Smaller flowers may appear on new growth in August and September. [ More Info ]

Clematis 'Duchess of Edinburgh' Clematis Large fully double white rosette flower may be touched with green. Double flowers are 4-6" on old growth in May and June. Single flowers may appear on new growth in August and September [ More Info ]

Clematis 'H. F. Young' Clematis A compact, free-flowering selection producing large blue flowers with pale yellow anthers. Produces attractive seed heads. [ More Info ]

Clematis 'Henryi' Clematis Huge pure white flowers have purple anthers. Blooms are 6-8" May and June with slightly smaller flowers July thru September. Vigorous Grower. Long blooming variety. [ More Info ]

Clematis 'Miss Bateman' Clematis Large creamy-white flowers have chocolate-red stamens. Blooms are 4-6" May and June with slightly smaller flowers July to September. Heirloom variety. Free flowering. Long blooming. One of the first large flowering varieties to bloom. [ More Info ]

Clematis 'Multi Blue' Clematis Large deep purplish-blue flowers have a light silvery blue central bar. Double flowers are 4-6" on old growth in May and June. Single flowers appear August through October. Performs best in light shade. [ More Info ]

Clematis 'Nelly Moser' Clematis Pastel pink flowers with red bar. Blooms in May, June and September on new and old wood. [ More Info ]

Clematis 'Rouge Cardinal' Clematis Large crimson-red flowers have contrasting yellow anthers and rounded petals. Blooms are 4-6" June through July with slightly smaller blooms August and September. Long blooming variety. Also known as Red Cardinal. [ More Info ]

Coreopsis verticillata 'Crème Brulee' Coreopsis, Thread-Leaf Soft yellow blooms on compact mounds of bright green, threadleaf foliage. Similar to 'Moonbeam' but with larger flowers and improved mildew resistance. PPAF [ More Info ]

Coreopsis verticillata 'Moonbeam' Coreopsis, Thread-Leaf Long-blooming, pale lemon flowers on mounds of needlelike foliage. [PPA-1992] [ More Info ]

Coreopsis verticillata 'Zagreb' Coreopsis, Thread-Leaf Bright golden yellow flowers on upright compact, vase-shaped plants with airy, fernlike foliage. Long bloom time. Easy to grow. Long lived species of coreopsis. Drought tolerant once established. [ More Info ]

Dennstaedtia punctilobula Fern, Hay-Scented A fast spreading ground cover that produces a thick mat of bright green fronds. Crushed fronds smell of hay. [ More Info ]

Dianthus gratianopolitanus 'FIREWITCH Feuerhexe' Pinks Shocking magenta-pink flowers shimmer over a dense mat of semi-evergreen blue-green foliage. Blooms heavily in May and June. Tolerates heat, humidity and some drought. 2006 Perennial Plant of the Year. [ More Info ]

Dicentra spectabilis Bleeding Heart, Old Fashioned This is the old-fashioned favorite with nodding pink and white heart-shaped flowers. It is a lovely compliment to Hosta but foliage dies down in summer if temperatures are high and adequate moisture is not maintained. [ More Info ]

Dicentra spectabilis 'Alba' Bleeding Heart, Old Fashioned Similar to D. spectabilis but with white flowers. [ More Info ]

Digitalis grandiflora (syn ambigua) 'Carillon' Foxglove, Yellow A tough perennial form of foxglove with upright spikes of tubular creamy-yellow flowers May through June. Compact growth habit. Deadhead to extend bloom. Tolerates clay soils. [ More Info ]

Dryopteris erythrosora Fern, Autumn "Autumn Fern" refers to the coppery-orange color of the emerging fronds. Foliage matures to shiny dark green. A deciduous fern with an erect habit. A durable perennial fern for the Midwest. [ More Info ]

Dryopteris marginalis Fern, Eastern Wood Tough, adaptable evergreen fern with olive green arching fronds that grow in a vase shape. Established plants are reasonably drought tolerant. The leathery leaves of Dryopteris marginalis are a beautiful addition to the woodland garden and can form a lovely an easy to maintain groundcover. A sturdy east coast native, it forms a tidy clump that will not spread and is very tolerant of dry shade conditions once it has established. Marginal wood fern is often found in shaded crevices of rocky ledges and bluffs from Newfoundland to Georgia, west to Oklahoma and Minnesota. [ More Info ]

Echinacea pallida Coneflower, Pale Tall bare stems are topped by flowers with narrow, strap-like pink-purple petals. Tolerates very dry soil. [ More Info ]

Echinacea paradoxa Coneflower, Yellow Each flower stem produces a single bloom with yellow ray petals around a brown cone-shaped seed head. A very drought tolerant Midwest native. [ More Info ]

Echinacea purpurea Coneflower, Purple Rosy purple flowers with non-drooping petals. A Midwest native. [ More Info ]

Echinacea purpurea 'Magnus' Coneflower Intense rose-pink ray petals with a coppery-brown cone. Petals fade to pale pink as they age. Huge, flat flower heads with non-drooping petals. [PPA-1998] [ More Info ]

Echinacea purpurea 'RUBY STAR Rubinstern' Coneflower Large carmine-red to purple flowers bloom June to August. Seed heads attract finches and other songbirds. Tolerant of drought, heat, humidity and poor soils. Said to be an improvement over `Magnus'. [ More Info ]

Echinacea purpurea 'White Swan' Coneflower Pure white ray petals reflex downward away from the coppery-brown, spiky central cone. Their fragrance attracts masses of butterflies. [ More Info ]

Epimedium x perralchicum 'Frohnleiten' Barrenwort Big bright yellow flowers on upright flower stalks in April and May. Spiny, evergreen, dark green foliage emerges bronze-pink and turn back to bronze in winter.. An excellent, slow-growing ground cover for dry shade. [ More Info ]

Epimedium x versicolor 'Sulphureum' Barrenwort Spurred yellow flower clusters appear above foliage in April. Attractive evergreen foliage emerges with reddish tint, mature to green and turns red in autumn. Perfect for dry shade under trees. [ More Info ]

Epimedium x youngianum 'Roseum' Barrenwort Lavender pink flowers in spring over small delicate foliage. An excellent, slow-growing ground cover for dry shade. [ More Info ]

Erianthus (syn Saccharum) ravennae Grass, Hardy Pampas Robust, gray-green foliage grows 48" tall with silvery flower spikes that tower above the leaves in fall. Looks best with constant moisture but is considerably drought tolerant. [ More Info ]

Eryngium yuccifolium Rattlesnake Master Clusters of round, greenish white flower heads June through September on sword shaped, medium green foliage. Distinctive plant is an interesting cut flower. A drought-tolerant Midwest native. [ More Info ]

Festuca glauca 'Elijah Blue' Grass, Blue Fescue Fine textured, semi-evergreen leaves create a mound of silvery-blue foliage. Foliage color intensifies in full sun and holds its color all summer. Requires sharp soil drainage. Enjoys sandy soils. Flowers are insignificant. [ More Info ]

Galium odoratum Woodruff, Sweet A vigorous ground cover for moist, shady areas. Tiny, white, star-shaped flowers appear above a carpet of finely cut green leaves. Flowers and foliage are fragrant. [ More Info ]

Geranium 'Johnson's Blue' Cranesbill Long-blooming, lavender-blue flowers on upright plants. [ More Info ]

Geranium macrorrhizum 'Bevan's Variety' Cranesbill, Bigroot Deep magenta 1" flowers bloom April through July. Thick, fragrant, clump forming foliage chokes out most weeds. Semi evergreen leaves are rounded and broadly lobed. Plants spread to form an effective ground cover. Foliage looks good all season, turning red-bronze in autumn. [ More Info ]

Geranium sanguineum Cranesbill Shell pink flowers with dark pink veins. Compact selection with small, deeply cut fragrant leaves. Foliage often turns red in autumn. Prefers protection from hot afternoon sun. Well drained soil is key. (syn `Lancastriense') [ More Info ]

Geranium sanguineum 'Album' Cranesbill Clear white flowers. Deeply cut, glossy green leaves have a looser habit than the species. Very easy to grow. Plants are heat tolerant and prefer full sun. [ More Info ]

Geranium sanguineum 'Max Frei' Cranesbill Purple-pink flowers on compact mounded plants. Blooms May and June with sporadic rebloom. Glossy green foliage turns red in autumn. Prefers protection from hot afternoon sun. Well drained soil is key. [ More Info ]

Geranium sanguineum 'New Hampshire Purple' Cranesbill Long-blooming flowers are larger, have greater substance, and are a shade darker than the species. Deeply cut, glossy green leaves form a low-growing clump turning red in autumn. 2000 Illinois Perennial Plant of the Year. [ More Info ]

Geranium x cantabrigiense 'Biokova' Cranesbill Large white to pale pink flowers repeat bloom through the summer. Trailing stems with glossy leaves form an excellent colonizing ground cover. [ More Info ]

Geranium x cantabrigiense 'Biokova Karmina' Cranesbill Large rich, raspberry-pink flowers repeat bloom through the summer. Trailing stems with glossy leaves form an excellent colonizing ground cover. Raspberry-pink flowering form of 'Biokova'. [ More Info ]

Hamamelis vernalis Witch Hazel, Vernal [ More Info ]

Hedera helix Ivy, English (Baltic) Fast-growing, dark green glossy evergreen foliage will form climbing vine or trailing ground cover. Inconspicuous flowers on mature growth in October. [ More Info ]

Helleborus 'Golden Sunrise' Lenten Rose this variety is mixed strain of canary yellow hellebores so each plant is slightly different. Some are solid yellow, but most exhibit some degree of red veining and a red picotee edge. Some have a nicely contrasting red starburst center. The large 2-3" flowers are downward facing like most hellebores, but the backs of the petals are marked with colorful red veining. [ More Info ]

Hemerocallis 'Happy Returns' Daylily Award winning, repeat blooming, ruffled, soft yellow flowers bloom profusely in June. Reblooms till frost. A Stella de Oro hybrid. Tolerates heat and humidity. Divide every 3-4 years to maintain vigor. Diploid. [ More Info ]

Hemerocallis 'Hyperion' Daylily Lemon yellow, fragrant flowers are 7" across. Blooms mid-July then repeat blooms. Diploid. [ More Info ]

Hemerocallis 'Joan Senior' Daylily Lightly ruffled, near white flowers with limestone-colored throats are 6" across. Excellent bud and branch count. Repeat blooming. Blooms late June to mid-July. Diploid. [ More Info ]

Hemerocallis 'Little Grapette' Daylily Award winning miniature selection with lightly ruffled, purple petals and yellow throat. High bud count, blooming May through June. Tolerates heat and humidity. Divide every 3-4 years to maintain vigor. [ More Info ]

Hemerocallis 'Mary Todd' Daylily Lots of 6", bright yellow, ruffled flowers with heavy texture. Tetraploid. [ More Info ]

Hemerocallis 'Pardon Me' Daylily Loads of cranberry red flowers with yellow-green throats are 3" across. Repeat blooming. [ More Info ]

Hemerocallis 'Purple de Oro RAZZMATAZZ' Daylily Compact growth producing ruffled, medium purple flowers with deep purple veining, paler purple midribs and a bright yellow throat. Long blooming period. Repeat blooms throughout the season. [ More Info ]

Hemerocallis 'Stella de Oro' Daylily Award winning, repeat blooming, ruffled, bright gold flowers bloom profusely in May. Reblooms till frost. Foliage is compact. Tolerates heat and humidity. Divide every 3-4 years to maintain vigor. [ More Info ]

Hemerocallis 'Strawberry Candy' Daylily Strawberry pink blooms have a distinct rose red eye zone and a golden green throat. Flowers are 4 1/2" across. Early to midseason repeat bloomer. Tetraploid. [ More Info ]

Heuchera 'Obsidian' Coral Bells Smooth, rounded foliage emerges nearly true black. Unlike many other "black" foliage plants, it maintains its dark hue throughout the season. Tiny cream-colored flowers emerge on 24" spikes in early summer. PP14836 [ More Info ]

Heuchera 'Plum Pudding' Coral Bells Shiny, plum colored leaves with dark purple veining and deep purple undersides. Semi-evergreen foliage forms compact mound. Small creamy flowers on slender wiry stems rise above foliage in June or July.. Excellent with variegated plants. EU3330 [ More Info ]

Heuchera americana 'Green Spice' Coral Bells Green-edged silver leaves with purple veins. Good fall color. An improvement over 'Ecomagnifolia'. [ More Info ]

Heuchera micrantha 'Palace Purple' Coral Bells Crinkled, deep purple foliage fades to bronze-brown in summer. Small whitish flowers in late spring. [PPA-1991] [ More Info ]

Hosta 'Abiqua Drinking Gourd' Hosta Dark blue-green, seersuckered leaves with heavy substance display a unique cupped form up to 3 inches deep.White flowers appear just above the foliage on 22" scapes in early summer. Demonstrates good slug resistance. [ More Info ]

Hosta 'August Moon' Hosta Heavily corrugated gold leaves are 6" long and 5" wide. Leaves hold their color all season. White flowers in July. [ More Info ]

Hosta 'Blue Angel' Hosta Large size selection with gigantic, heavily textured, blue-green leaves. Foliage forms large, tiered mound. Light lavender flowers in June and July. One of the most vigorous blue hostas. Slug resistant. Cupped, heavily-textured blue leaves grow 16" long and 13" wide with time. [ More Info ]

Hosta 'Blue Mouse Ears' Hosta Adorable true miniature selection featuring thick, heart shaped blue-green foliage, forming a perfectly symmetrical mound. Lavender flowers appear in July. 2008 Hosta of the Year. [ More Info ]

Hosta 'Elegans' Hosta Large size selection featuring huge blue-gray, quilted foliage. White flowers on tall scapes in May and June. Tolerates dry shade. Slug resistant. [ More Info ]

Hosta 'Fire & Ice' Hosta Small size selection has heart-shaped leaves with pure white centers and dark green margins have heavy substance. Lavender flowers on tall scapes bloom in July. Sun and slug resistant. A sport of 'Patriot'. Needs morning sun or filtered shade to thrive. [ More Info ]

Hosta 'Francee' Hosta Medium size selection featuring dark green, slightly glossy foliage with clear white margins. Lavender flowers in June and July. Excellent sun tolerance. A classic hosta. Leaves grow 7" long and 5" wide. Variegation holds up well in sun. [ More Info ]

Hosta 'Francis Williams' Hosta [ More Info ]

Hosta 'Golden Tiara' Hosta Medium size selection featuring tidy yellow margins with an apple-green center. Light purple flowers in June and July. A vigorous grower. [ More Info ]

Hosta 'Guacamole' Hosta Medium-large size selection featuring huge, apple green leaves with dark green margins. Foliage color intensifies with sun exposure. Fragrant, pale lavender flowers in July. Leaves are 11" long and 8" wide. American Hosta Growers' Association 2002 Hosta of the Year. [ More Info ]

Hosta 'Halcyon' Hosta Medium-large size selection featuring frosty blue-green lance-shaped foliage. Deeply ribbed leaves are 8" long and 5" wide. Pale blue-violet flowers in abundance June and July. A vigorous grower. Thick foliage realizes great slug resistance. Retains blue color all season. [ More Info ]

Hosta 'June' Hosta Medium size selection featuring blue-green foliage with irregularly shaped creamy gold centers. Pale bluish-lavender flowers appear in July and August. Needs some sunlight to develop the best color. Good leaf substance. Slug resistant. American Hosta Growers' Association 2001 Hosta of the Year. [ More Info ]

Hosta 'Minuteman' Hosta Medium size selection featuring very dark green, slightly cupped foliage with a pure white margin. Foliage has good substance which provides some slug resistance. Lavender flowers in June and July. Sport of H. 'Francee'. [ More Info ]

Hosta 'Paradigm' Hosta [ More Info ]

Hosta 'Patriot' Hosta Medium size selection featuring slightly wavy, dark green foliage with wide white margins. Lavender flowers appear in July and August. Great heat and sun tolerance. Variegation remains fresh until frost. Really stands out in the garden. American Hosta Growers' Association 1997 Hosta of the Year. [ More Info ]

Hosta 'Sum and Substance' Hosta One of the largest Hostas available. Huge glossy leaves are thick-textured giving them good slug and deer resistance. Leaf color varies with light conditions from light green to chartreuse to gold. Pale lavender flowers on tall scapes in July and August. More sun tolerant than most hostas. American Hosta Growers' Association 2004 Hosta of the Year. [ More Info ]

Hosta 'Wide Brim' Hosta Medium size selection featuring dark green, textured leaves with wide, buttery yellow margins. Leaves are 7" long and 5" wide. Pale lavender to white flowers in July and August. A classic hosta. [ More Info ]

Ilex verticillata Holly, Winterberry [ More Info ]

Iris 'Beverly Sills' Iris, Tall Bearded Flamingo pink, lacy blooms with flaring falls. Prolific bloomer and winner of many awards, including the Dykes medal. [ More Info ]

Iris pallida 'Variegata' Iris, Sweet Blue-green leaves with white and cream streaking. Lavender-blue flowers. Foliage looks good all season. Grow in well-drained soil. [ More Info ]

Iris pseudacorus 'Variegata' Iris, Yellow Flag Like the species but new leaves are striped with yellow and green. Foliage turns solid green by midsummer. [ More Info ]

Iris sibirica 'Caesar's Brother' Iris, Siberian Rich, velvet violet flowers bloom after German Iris. Refined, 1/2"-wide leaves form an upright clump that is handsome all summer. Less prone to iris borer and soft rot than other irises. [ More Info ]

Iris sibirica 'White Swirl' Iris, Siberian Delicate ivory-white flowers have a touch of gold near the throat. Blooms in May and June. Narrow, dark green, vase shaped foliage remains attractive all season. Considered one of the finest whites. Less prone to iris borer and soft rot than other irises. [ More Info ]

Iris virginica var. shrevei Iris, Southern Blue Flag This moisture-loving iris has fragrant, blue violet flowers with falls crested in yellow and white. Narrow, bright green leaves often lie on the ground or in water. [ More Info ]

Itea virginica Sweetspire [ More Info ]

Lamium maculatum 'Anne Greenaway' Spotted Nettle Exquisite blend of chartreuse, silver, medium and pale green foliage extends season of interest. Mauve flowers in May through July. Excellent groundcover brightens shady areas. [ More Info ]

Lamium maculatum 'Orchid Frost' Spotted Nettle Trailing stems bearing leaves with shimmering silver centers and blue-green margins. Showy, heavy blooming, pink flowers. Purported to resist foliage diseases. PP11122 [ More Info ]

Lamium maculatum 'Pink Pewter' Spotted Nettle Silver-white leaves have a narrow green margin. Salmon-pink flower clusters May through July. Excellent mat forming ground cover to brighten shaded areas. [ More Info ]

Lamium maculatum 'Purple Dragon' Spotted Nettle This robust selection produces the largest deep purple snapdragon-like flowers of any Lamium. Arranged in larger denser terminal spikes, the flowers jump right out of their bright silvery foliage. PPAF [ More Info ]

Lamium maculatum 'Red Nancy' Spotted Nettle Excellent ground cover featuring rose-red flowers over silver-white leaves with green margins. [ More Info ]

Lamium maculatum 'White Nancy' Spotted Nettle Nearly all-silver leaves with narrow, blue-green margins are a lovely backdrop for pure white, hooded flowers. Excellent ground cover. Similar to 'Beacon Silver' but with white flowers. More heat tolerant than 'Beacon Silver'. [ More Info ]

Lavandula angustifolia 'Hidcote Blue' Lavender Downy bluish-green foliage in a compact, erect habit, with tall spikes of fragrant purple flowers in midsummer. It's bushy, evergreen form makes it an excellent short hedge plant. [ More Info ]

Lavandula angustifolia 'Munstead' Lavender Violet-blue flowers and a compact growth habit. Early flowering. Grow in light, sandy, alkaline soil. [ More Info ]

Leucanthemum x superbum 'Becky' Daisy, Shasta Large, single flowers with white petals and yellow centers on strong stems. Long bloom time is June through October. The best Shasta daisy for hot humid climates. 2003 Perennial Plant of the Year. [ More Info ]

Leucanthemum x superbum 'Snow Cap' Daisy, Shasta Dwarf variety with large, single white flowers in abundance June through August. Dark green clump forming foliage is compact. Tolerates light shade. Good for massing or edging at the front of the border. [ More Info ]

Liatris microcephala Gayfeather, Tiny-Headed Multi-stemmed plants with rose purple flower spikes and narrow, grass-like leaves. Grows best in dry soil in full sun. [ More Info ]

Liatris pycnostachya Blazing Star, Prairie Dense spikes of magenta flowers on strong stems attract hordes of butterflies. [ More Info ]

Liatris spicata 'Floristan White' Gayfeather Creamy white flower spikes. [ More Info ]

Liatris spicata 'Kobold' Gayfeather Bright rose-lavender flower spikes on compact plants. [ More Info ]

Lindera benzoin Spicebush [ More Info ]

Liriope muscari 'Big Blue' Lily Turf Solid green, grass-like leaves with purple flower spikes in August. Growth habit is fountain-like. [ More Info ]

Liriope muscari 'Variegata' Lily Turf Green grass-like leaves with white variegation along the edges. Purple flower spikes. Growth habit is fountain-like. [ More Info ]

Liriope spicata Lily Turf, Creeping [ More Info ]

Lobelia cardinalis Cardinal Flower [ More Info ]

Lysimachia punctata 'Golden Alexander' Loosestrife, Variegated Yellow Lime green leaves with buttery yellow margins, complemented by starry yellow flowers in mid-late summer. More compact and less invasive than other lysimachias. PP13547 [ More Info ]

Lythrum virgatum 'Purple Dwarf' Loosestrife, Purple Prolific, long-lasting, rose pink flower spikes on compact plants. Excellent dwarf form. This sterile species does not produce viable seeds. [ More Info ]

Matteuccia struthiopteris Fern, Ostrich One of the largest and most popular perennial ferns. Dark green fronds are shaped like ostrich plumes. Clump forming, upright to arching habit. Rapid spreader requiring space to grow. Good ground cover that spreads rapidly in moist areas. [ More Info ]

Mertensia virginica Bluebells, Virginia Flowers are pink in bud and open to sky blue in March and April. Foliage is blue-green. This plant is a spring ephemeral, meaning the foliage goes dormant in summer. A great plant to naturalize in a rich, moist, woodland environment. [ More Info ]

Miscanthus sinensis Grass, Flame [ More Info ]

Miscanthus sinensis 'Adagio' Grass, Maiden [ More Info ]

Miscanthus sinensis 'Gracillimus' Grass, Maiden [ More Info ]

Miscanthus sinensis 'Morning Light' Grass, Maiden [ More Info ]

Miscanthus sinensis 'Strictus' Grass, Porcupine [ More Info ]

Miscanthus sinensis 'Variegatus' Grass, Variegated Japanese Silver Green and white striped leaves are 1/4 - 3/4" wide and arch loosely. Provides a strong white effect in the landscape. Flowers in August or September. Plants may require support to remain upright. [ More Info ]

Monarda x didyma 'Jacob Cline' Bee Balm Large bright red flower clusters appear July through September. Upright, mildew resistant, fragrant foliage can be used to flavor tea. Attracts hummingbirds. [ More Info ]

Nepeta x faassenii 'Blue Wonder' Catmint Long-blooming, dark blue flowers May through September. Compact, mounding, gray-green, aromatic foliage. Quite drought tolerant. Much more compact than Nepeta `Walkers Low’. A wonderful low maintenance perennial for drought prone landscapes. [ More Info ]

Nepeta x faassenii 'Six Hills Giant' Catmint Violet blue flowers on large plants with gray-green foliage. [ More Info ]

Nepeta x faassenii 'Walker's Low' Catmint Soft lavender-blue flowers bloom May through September on mounded, arching plants. Aromatic gray-green foliage is deer and rabbit resistant. Very drought tolerant. Cats are attracted to scent. [PPA-2007] [ More Info ]

Oenothera berlandieri 'Siskiyou' Primrose, Mexican Evening Pale pink, saucer-shaped flowers are produced in great numbers May through July with rebloom in the fall. Compact and trailing habit. Heat and drought tolerant. Prefers poor soils. Spread by underground stolons. [ More Info ]

Oenothera macrocarpa (syn missouriensis) Sundrops, Ozark Large yellow flowers, up to 4" across, are mildly fragrant. Plants trail and look good in a rock garden. Plants tolerate poor soil and drought but need good drainage. (syn. O. missouriensis) [ More Info ]

Onoclea sensibilis Fern, Sensitive Large somewhat course textured foliage is bright green. Fertile fronds turn dark brown and roll up. Native to wet woods and moist soils along streams. Sensitive to frost and drought. Fast-creeping rhizomes produce a carpet of light green fronds. A tough fern that thrives in moist soil. Plants die down at the first hint of frost but ornamental fertile fronds remain. These can be used in dried arrangements. [ More Info ]

Osmunda cinnamomea Fern, Cinnamon [ More Info ]

Osmunda regalis Fern, Royal Mature fronds are lance-shaped and light green and grow in a vase shape. The fronds resemble leaves from plants in the legume family such as a locust tree. Spreads slowly. [ More Info ]

Pachysandra terminalis Pachysandra Fast-growing, dark green glossy evergreen foliage forms dense carpet. Tiny white flower spikes bloom in April. Spreads rapidly by underground stems to form large colonies. [ More Info ]

Panicum virgatum 'Dallas Blues' Grass, Switch Wide, blue, upright foliage. Large, purplish flower heads emerge late in summer. PP11202 [ More Info ]

Panicum virgatum 'Heavy Metal' Grass, Switch [ More Info ]

Panicum virgatum 'Northwind' Grass, Switch [ More Info ]

Panicum virgatum 'Shenandoah' Grass, Switch [ More Info ]

Pennisetum alopecuroides 'Hameln' Grass, Dwarf Fountain [ More Info ]

Penstemon digitalis 'Husker Red' Penstemon, Foxglove Foliage emerges purple-bronze and matures to green. Profusion of white flowers on wiry stems. Grows best in full sun and moist soil. [PPA-1996] [ More Info ]

Perovskia atriplicifolia Russian Sage [ More Info ]

Perovskia atriplicifolia 'Little Spire' Russian Sage [ More Info ]

Persicaria polymorpha Fleece Flower, Giant White plumes over bushy, vase-shaped plants from May through September. Clump forming; not invasive. [ More Info ]

Phlox divaricata var. laphammi Phlox, Woodland [ More Info ]

Phlox paniculata 'David' Phlox, Garden Large heads of clear white flowers blooming July through September. Extremely mildew resistant. Deadheading prolongs bloom. Attracts songbirds. 2002 Perennial Plant of the Year. The best white available. 2002 Perennial Plant of the Year. [ More Info ]

Phlox paniculata 'Red Riding Hood' Phlox, Garden Cherry red flowers on compact plants. [ More Info ]

Phlox paniculata 'Robert Poore' Phlox, Garden One of the tallest Phlox with large clusters of violet-pink, fragrant flowers blooming late June through September. Dark green, mildew resistant foliage on strong stems. Attracts songbirds. [ More Info ]

Phlox subulata 'Candy Stripe' Phlox, Creeping Produces a stunning blanket of pink and white two-tone flowers in April and May. Semi-evergreen foliage forms a dense, carpet-like ground cover. Mass planting creates a spectacular show. [ More Info ]

Phlox subulata 'Crimson Beauty' Phlox, Creeping Rosy red flowers. Semi evergreen, needlelike foliage. [ More Info ]

Phlox subulata 'Drummon's Pink' Phlox, Creeping Larger flowers than other Creeping Phlox. Dark green needle-like foliage. Fragrant deep pink flowers with deeper pink eyes. [ More Info ]

Phlox subulata 'Emerald Blue' Phlox, Creeping Produces a stunning blanket of clear blue flowers in April and May. Semi-evergreen foliage forms a dense, carpet-like groundcover. Mass planting creates a spectacular show. [ More Info ]

Phlox subulata 'Fort Hill' Phlox, Creeping Produces a stunning blanket of pink flowers with red eye in April and May. Semi-evergreen foliage forms a dense, carpet-like groundcover. Mass planting creates a spectacular show. [ More Info ]

Phlox subulata 'Red Wing' Phlox, Creeping Crimson flowers with dark red eyes. Semi evergreen, needlelike foliage. [ More Info ]

Phlox subulata 'Scarlet Flame' Phlox, Creeping Produces a stunning blanket of deep scarlet pink flowers with dark rose eye in April and May. Semi-evergreen foliage forms a dense, carpet-like groundcover. Mass planting creates a spectacular show. [ More Info ]

Phlox subulata 'Snowflake' Phlox, Creeping Starry white flowers. Much denser than 'White Delight'. Semi evergreen, needlelike foliage. [ More Info ]

Platycodon grandiflorus 'Sentimental Blue' Balloonflower Balloon-like buds burst open into splendid blue, dwarf bell-shaped flowers. Prolific bloomer. [ More Info ]

Polygonatum odoratum 'var. Variegatum' Solomon'S Seal, Variegated Dangling white fragrant flowers below leaves in April and May. Tall, upright variegated foliage is soft green and white, turning an attractive yellow in fall. Flowers are followed by blue-black berries. Slowly colonizes to form dense stands. Looks terrific in a woodland garden. [ More Info ]

Polystichum acrostichoides Fern, Christmas Glossy, dark green foliage is evergreen. Fronds emerge upright, arching as they mature to cover ground. Drought tolerant once established. Tiny leaves resemble Christmas stockings. [ More Info ]

Rhus aromatica Sumac, Aromatic [ More Info ]

Rhus aromatica 'Gro-Low' Sumac, Fragrant A low spreader with glossy green leaves and superb orange-red fall color. Grows quickly and makes a good ground cover. [ More Info ]

Rudbeckia fulgida 'Goldsturm' Black-Eyed Susan A superior selection of our native Rudbeckia with long-blooming deep yellow flowers on stiff stems. An extensive root system makes this perennial an excellent choice for slope stabilization. [PPA-1999] [ More Info ]

Rudbeckia hirta Daisy, Gloriosa Bright yellow to orange-yellow flower petals surround dark brown centers. Blooms June through September. This short-lived perennial will remain in the garden for many years if allowed to self-seed. [ More Info ]

Rudbeckia hirta 'Indian Summer' Daisy, Gloriosa Single golden yellow flowers with brown centers are 6" in diameter. Tolerates poor soil but needs good soil drainage. A 1995 All-America Selection winner. [ More Info ]

Rudbeckia maxima Coneflower, Giant Yellow drooping petals surround a brown cylindrical cone. Flowers are borne on tall (60-96" stems) but stems are see-through so plant it where you can see the bold, mounded blue-green leaves which are attractive even before the plant flowers. [ More Info ]

Salvia nemorosa 'BLUE HILL Blauhugel' Salvia, Perennial Dense spikes of long-blooming, true blue flowers on compact plants. Plants are not as upright as 'May Night'. [ More Info ]

Salvia nemorosa 'Caradonna' Salvia, Perennial Violet-blue flowers June through September on dark purple stems. Aromatic foliage resists rabbits and deer. Heat and humidity tolerant. The most rigid form of all perennial salvias. [ More Info ]

Salvia nemorosa 'MAY NIGHT Mainacht' Salvia, Perennial Dense spikes of long-blooming, deep purple flowers on vase-shaped plants. This outstanding cultivar tends to be more rigid in form than other perennial Salvias. Aromatic foliage resists rabbits and deer. 1997 Perennial Plant of the Year. [ More Info ]

Salvia nemorosa 'SNOW HILL Schneehugel' Salvia, Perennial Pure white flower spikes rise above compact mounds of gray-green foliage. Blooms into summer if deadheaded. Sport of 'Blue Hill'. [ More Info ]

Scabiosa columbaria 'Butterfly Blue' Pincushion Flower A profusion of lavender-blue flowers on wiry stems from April through October. A cool season perennial tolerating heat. Needs excellent soil drainage. [PPA-2000] [ More Info ]

Scabiosa columbaria 'Pink Mist' Pincushion Flower Pincushion-like, pink flowers with a hint of lavender are borne atop wiry stems all season. Drought tolerant once established. A reliable, long blooming selection. [ More Info ]

Schizachyrium (syn Andropogon) scoparium 'The Blues' Grass, Little Bluestem A very blue selection of the species with exceptional burgundy fall color. Tolerates heat and humidity and is great for mass planting. [ More Info ]

Sedum 'Autumn Fire' Stonecrop [ More Info ]

Sedum 'Autumn Joy' Stonecrop Fleshy green leaves are topped with flowers that resemble flat heads of broccoli. Flower buds are green in midseason then turn to pink before opening rosy bronze. Flower heads dry on the plant and provide winter interest. Grow in lean dry soil. [ More Info ]

Sedum 'Carl' Stonecrop Upright form producing flat clusters of magenta flowers in August. Succulent foliage is smooth gray-green throughout the growing season. Easy to grow. Drought tolerant. Attracts songbirds. [ More Info ]

Sedum 'Matrona' Stonecrop Large, pastel pink blooms in late summer and fall. Plant is vase-shaped with shiny red stems and deep gray foliage edged in rose pink. [ More Info ]

Senecio (syn Packera) obovatus Squaw-Weed [ More Info ]

Solidago 'Golden Baby (syn Goldkind)' Goldenrod Dwarf variety has bright yellow flower plumes August through September. Low-growing, compact foliage forms an attractive dark green mat. Chicago Botanic Garden "Best Plants for the Midwest". [ More Info ]

Solidago flexicaulis Goldenrod, Zigazg [ More Info ]

Solidago rugosa 'Fireworks' Goldenrod Impressive, lacy sprays of golden yellow flowers in September and October. Flower clusters radiate out in all directions and resemble fireworks on arching bushy foliage. Basal foliage is evergreen. Extremely drought tolerant, as exhibited at Alwerdt's Gardens in Altamont, Il during the summer 2002 drought. [ More Info ]

Solidago sphacelata 'Golden Fleece' Goldenrod, Broad-Leaf Bright yellow flower plumes August through September. Low-growing, compact foliage forms an attractive dark green mat. Make a good ground cover when massed. [ More Info ]

Sporobolus heterolepis Grass, Prairie Dropseed Fine textured tufts of green foliage turn gold or deep orange in autumn. Pink flowers appear in August with fragrant seeds. Heat and drought tolerant. Attracts songbirds and wildlife. [ More Info ]

Stachys byzantina 'Helene von Stein (syn Big Ears)' Lamb'S Ears Huge, velvety soft, greenish-silver leaves are shaped and feel like a lamb's ear. Non flowering variety stays neat and tidy, doesn't melt out as easily as other cultivars Tolerates drought, heat and humidity. Also known as 'Big Ears'. Leaves are twice the size of 'Silver Carpet'. Tolerates drought, heat and humidity. Grow in moist, well-drained soil. [ More Info ]

Stachys monieri 'Hummelo' Betony Striking, rosy lavender, bottlebrush flower spikes on sturdy stems July through September. Forms rounded clumps of textured foliage with extended season interest. [ More Info ]

Stokesia laevis 'Honeysong Purple' Aster, Stokes' Large, royal purple flowers with contrasting white stamens on purple-tinged stems. Flowers are 4" in diameter. Compact form. Grows best in filtered light and well-drained soil. PPAF [ More Info ]

Stokesia laevis 'Peachie's Pick' Aster, Stokes' [ More Info ]

Stylophorum diphyllum Poppy, Celandine Blooms April through June and frequently into July. [ More Info ]

Teucrium chamaedrys Germander A compact shrub-like plant with glossy green, scalloped leaves resembling those of boxwood. Blooms for 3-4 weeks with short spikes of rose-purple flowers. Commonly used in knot gardens as a miniature hedge. [ More Info ]

Thalictrum aquilegifolium Meadow Rue, Columbine Large sprays of delicate mauve flowers. Lacy, green-blue foliage is similar to columbine. Prefers a rich, moist soil but will tolerate heat. [ More Info ]

Thalictrum rochebrunianum Lavender Mist Delicate sprays of lavender-purple flower clusters on dark purple stems July through September. Tall, airy, fine textured foliage is bluish-green. Spectacular when massed. [ More Info ]

Verbena (syn Glandularia) canadensis Verbena, Rose Lilac rose flowers are very attractive to butterflies. Plants bloom April through September. Low growing foliage makes a good ground cover. Not reliably hardy when associated with heavy, wet soil conditions during the winter months; best treated as an annual. [ More Info ]

Vernonia fasciculata Ironweed, Dwarf Small purple flowers from August through September. This is a very durable, naturally short growing specie. [ More Info ]

Veronica peduncularis 'Waterperry Blue' Speedwell, Dwarf Sky blue flower spikes and shiny, green, creeping foliage. [ More Info ]

Veronica spicata 'Royal Candles' Speedwell Masses of violet-blue flower spikes are held above compact, upright clumps of deep green foliage all summer. The bottom foliage of this variety does not die out.. Long-blooming and compact. Purported to be an outstanding new Veronica selection, and possibly a replacement for the leaf disease prone Sunny Border Blue. PP18432 [ More Info ]