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Plant Information Resource Center

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Botanical Name     Common Name
A B C D E F-G H I J-L M-O P Q R S T U-Z ALL

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.
Acanthus spinosus

Achillea 'Appleblossom'

Yarrow
A cool, subtle-colored yarrow, 'Apple Blossom' is aptly named for its soft lilac-pink to pale rose flowers. They have the most intense color when they first emerge and then fade as they age, lending a unique multicolored effect to the clump. From early thru midsummer, tall flower stems are topped with flat heads of these brightly colored blossoms. This variety blooms about a week later than A. 'Moonshine'.
Achillea 'Appleblossom'

Achillea 'Coronation Gold'

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

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.
Achillea 'Moonshine'

Achillea 'New Vintage Red'

Yarrow
The Yarrows are among the best perennials for planting in hot, dry and sunny locations, providing good colour throughout the summer months. This selection from the New Vintage series features showy, antique red, flat-top flower clusters with creamy white eyes over compact, ferny, green foliage. Remove faded flowers regularly to promote continued blooming. Inclined to spread, so site this carefully or plan to reduce the clumps each spring. Easily divided in fall or early spring. Trim back hard after the first flush of bloom, to maintain a compact habit. Heat tolerant. USPP#25618: unlicensed propagation prohibited.
Achillea 'New Vintage Red'

Achillea 'New Vintage Rose'

Yarrow
The Yarrows are among the best perennials for planting in hot, dry and sunny locations, providing good colour throughout the summer months. This selection from the New Vintage series features rose-pink flower clusters over compact, ferny, green foliage. Excellent for cutting, fresh or dried. Remove faded flowers regularly to promote continued blooming. Inclined to spread, so site this carefully or plan to reduce the clumps each spring. Easily divided in fall or early spring. Trim back hard after the first flush of bloom, to maintain a compact habit. Heat tolerant. USPP#25712: unlicensed propagation prohibited.
Achillea 'New Vintage Rose'

Achillea 'New Vintage Violet'

Yarrow
The Yarrows are among the best perennials for planting in hot, dry and sunny locations, providing good color throughout the summer months. This selection from the New Vintage series features violet flower clusters with cream ‘eyes’ over compact, ferny, green foliage. Excellent for cutting, fresh or dried. Remove faded flowers regularly to promote continued blooming. Inclined to spread, so site this carefully or plan to reduce the clumps each spring. Easily divided in fall or early spring. Trim back hard after the first flush of bloom, to maintain a compact habit. Heat tolerant. USPP#25750: unlicensed propagation prohibited.
Achillea 'New Vintage Violet'

Achillea 'New Vintage White'

Yarrow
The Yarrows are among the best perennials for planting in hot, dry and sunny locations, providing good colour throughout the summer months. This selection from the New Vintage series features pure white flower clusters over compact, ferny, green foliage. Excellent for cutting, fresh or dried. Remove faded flowers regularly to promote continued blooming. Inclined to spread, so site this carefully or plan to reduce the clumps each spring. Easily divided in fall or early spring. Trim back hard after the first flush of bloom, to maintain a compact habit. Heat tolerant. USPP#25711: unlicensed propagation prohibited.
Achillea 'New Vintage White'

Achillea 'Terra Cotta'

Yarrow
A multicolored selection, 'Terra Cotta' puts on a dazzling, everchanging show of salmon-peach, terra cotta orange, and pale yellow-orange flowers. When planted en masse, all three colors appear at the same time. They contrast nicely against the silver, ferny foliage.this variety has sturdy stems. This uniquely colored yarrow combines well with many other colors in the garden, especially purple and red.
Achillea 'Terra Cotta'

Achillea millefolium

Yarrow
Achillea millefolium, commonly called common yarrow, is a rhizomatous, spreading, upright to mat-forming perennial that is considered by many to be an aggressive weed. Common yarrow from Europe and Asia was originally introduced to America in colonial times, and has since naturalized throughout the U. S. primarily along roadsides, fields, waste areas and lawns. These species plants are noted for producing deeply-dissected, fern-like, aromatic, medium green foliage and tiny, long-lasting, white flowers that appear in dense, flattened, compound corymbs (to 2-4"across) throughout the summer on stems typically rising 2-3’ tall. Foliage has a strong, somewhat spicy aroma that persists when used in dried arrangements.
Achillea millefolium

Achillea millefolium 'Oertel's Rose'

Yarrow
Deep, rose-pink flower clusterare very well behaved in the garden, extremely drought tolerant, deer resistant, a Butterfly attractor, as well as a great cut flower. Grows best in sunny locations in well drained soils and blooms over a long period of time.
Achillea millefolium 'Oertel's Rose'

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.
Achillea millefolium 'Paprika'

Achillea millefolium 'Red Velvet'

Yarrow
This new, dark, non-fading red is considered one of the best reds available. Very drought resistant.
Achillea millefolium 'Red Velvet'

Achillea millefolium 'Saucy Seduction'

Yarrow
This intensely colored selection produces a bouquet of flowers that open intense fuchsia pink, then lighten to medium pink. New flowers are produced all summer long, providing an array of cheerful pink color over an extended period of bloom. Members of the Seduction Series have strong, branched stems with shorter internodes, and a compact habit. Unlike older cultivars with a weaker, open habit, they have a very robust yet compact habit.
Achillea millefolium 'Saucy Seduction'

Achillea millefolium 'Strawberry Seduction'

Yarrow
Large clusters of strawberry red flowers with a gold center. Uniform blossom height. Sturdy, upright foliage is grey-green. Seduction Series Achillea have a strong branched stem and a compact habit. When flowers are done blooming they turn a lovely shade of buff yellow.
Achillea millefolium 'Strawberry Seduction'

Achillea millefolium 'Summerwine'

Yarrow
Purplish rose flowers with a creamy center.
Achillea millefolium 'Summerwine'

Achillea millefolium 'Sunny Seduction'

Yarrow
This cheerful selection produces a bouquet of flowers that open intense lemon yellow, then lighten to pastel yellow. New flowers are produced all summer long, providing an array of cheerful yellow color over an extended period of bloom. 'Sunny Seduction' is a notable improvement over 'Moonshine'. Members of the Seduction Series have strong, branched stems with shorter internodes, and a compact habit. Unlike older cultivars with a weaker, open habit, they have a very robust yet compact habit.
Achillea millefolium 'Sunny Seduction'

Acorus calamus

Sweet Flag
Bright green sword-like foliage grows well in moist conditions. Foliage has citrus scent when crushed. Tiny greenish flowers are insignificant. Appreciates protection from hot afternoon sun.
Acorus calamus

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.
Adiantum pedatum

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.
Aegopodium podagraria 'Variegatum'

Agastache 'Acapulco Dark Blue'

Hyssop
Agastache, also called hyssop, may be hard to pronounce, but it's sure easy to grow! Once established, this rugged, sun-loving perennial blooms its head off throughout the summer, even during periods of heat and drought. Its colorful, nectar-rich flowers are also a favorite with hummingbirds and butterflies. The pretty gray-green foliage typically has a strong minty scent when brushed or rubbed. And to top it all off, the plants are also rabbit- and deer-resistant. Hardy to zones 5-9. Acapulco Dark Blue agastache shows off clusters of dark violet-blue flowers all summer.
Agastache 'Acapulco Dark Blue'

Agastache 'Acapulco Orange'

Hyssop
Agastache, also called hyssop, may be hard to pronounce, but it's sure easy to grow! Once established, this rugged, sun-loving perennial blooms its head off throughout the summer, even during periods of heat and drought. Its colorful, nectar-rich flowers are also a favorite with hummingbirds and butterflies. The Acapulco Orange has pure orange flowers held on tall flower spikes, and the foliage has a slight licoricefragrance. And to top it all off, the plants are also rabbit- and deer-resistant. Hardy to zones 5-9.
Agastache 'Acapulco Orange'

Agastache 'Acapulco Peach'

Hyssop
Agastache, also called hyssop, may be hard to pronounce, but it's sure easy to grow! Once established, this rugged, sun-loving perennial blooms its head off throughout the summer, even during periods of heat and drought. Its colorful, nectar-rich flowers are also a favorite with hummingbirds and butterflies. The Acapulco Peach blooms from summer til frost with yellow orange flowers held on tall flower spikes atop foliage that has a slight licorice fragrance. To top it all off, the plants are also rabbit- and deer-resistant. Hardy to zones 5-9.
Agastache 'Acapulco Peach'

Agastache 'Acapulco Rose'

Hyssop
Agastache, also called hyssop, may be hard to pronounce, but it's sure easy to grow! Once established, this rugged, sun-loving perennial blooms its head off throughout the summer, even during periods of heat and drought. Its colorful, nectar-rich flowers are also a favorite with hummingbirds and butterflies. The Acapulco Rose has beautiful rosy-pink flowers held on tall flower spikes, and the foliage has a slight licorice fragrance. And to top it all off, the plants are also rabbit- and deer-resistant. Hardy to zones 5-9.
Agastache 'Acapulco Rose'

Agastache 'Black Adder'

Hyssop, Anise
Tall racemes of deep purple, nearly black buds open to light violet blue in midsummer and keep coming late into fall. A sterile form that won't turn weedy in the garden. Tolerates heat and drought.
Agastache 'Black Adder'

Agastache 'Blue Fortune'

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

Agastache 'Purple Haze'

Hyssop, Anise
Aromatic dark green, upright foliage with the scent of black licorice. Vibrant violet-purple flowers July through September. Heat and drought tolerant. Attracts songbirds. Zone 6.
Agastache 'Purple Haze'

Ajuga reptans 'Black Scallop'

Bugleweed
Dark, dark burgundy, glossy foliage with roundly scalloped margins forms a low, dense ground cover. Short spikes of blue flowers in mid- to late spring.
Ajuga reptans 'Black Scallop'

Ajuga reptans 'Catlin's Giant'

Bugleweed
Ajuga reptans 'Catlin's Giant'

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.
Ajuga reptans 'Chocolate Chip'

Alcea rosea 'Blacknight'

Hollyhock
Deep black-purple, single flowers are produced on tall, sturdy stalks in midsummer. Spotlight Series is being introduced by Jelitto in 2010 with four single color strains including deep black-purple, red, yellow, and white. Other than their fabulous blossoms, one of the best traits about this series is that the plants are truly perennial—not biennial—and they bloom the first year from seed.
Alcea rosea 'Blacknight'

Alcea rosea 'Chater's Double Red'

Hollyhock
This selection produces tall, sturdy spikes of red, ruffled, fully double flowers. They open from the bottom of the stalk to the top over a long period.
Alcea rosea 'Chater's Double Red'

Alcea rosea 'Chater's Double Violet Purple'

Hollyhock
This selection produces tall, sturdy spikes of violet-purple, ruffled, fully double flowers. They open from the bottom of the stalk to the top over a long period.
Alcea rosea 'Chater's Double Violet Purple'

Alcea rosea 'Chater's Double Yellow'

Hollyhock
This selection produces tall, sturdy spikes of yellow, ruffled, fully double flowers. They open from the bottom of the stalk to the top over a long period.
Alcea rosea 'Chater's Double Yellow'

Alcea rosea 'Fiesta Time'

Hollyhock
Alcea rosea 'Fiesta Time'

Alcea rosea 'Las Vegas'

Hollyhock
Like the bright colorful lights of Las Vegas, this mixed color strain of fig leaf hollyhocks bears large, saucer-shaped flowers in unique shades of red, copper, chestnut brown, yellow, pink, and white over a long period beginning in early summer. This hardy species of hollyhock has decorative lobed leaves that are borne all the way up the stems, leaving little bare stem at the base. ‘Las Vegas’ is a bit shorter than the species, standing about 5-6 feet tall in bloom. The breeder, Jelitto, claims this new hybrid should live longer than the typical biennial hollyhocks. It is possibly hardier than zone 3. Feel free to grow hollyhocks under Black Walnut trees; they are tolerant of the toxic juglone that is emitted through the trees' roots.
Alcea rosea 'Las Vegas'

Alcea rosea 'Mars Magic'

Hollyhock
Bright red, single flowers are produced on tall, sturdy stalks in midsummer. For over 18 years, Jelitto worked to develop a consistent strain of stable, straight color, single flowered Hollyhocks. The Alcea rosea Spotlight Series was introduced by Jelitto in 2010 with multiple single color strains including deep black-purple, red, pink, yellow, and white. Other than their fabulous blossoms, one of the best traits about this series is that the plants are truly perennial, not biennial. Feel free to grow hollyhocks under Black Walnut trees; they are tolerant of the toxic juglone that is emitted through the trees' roots.
Alcea rosea 'Mars Magic'

Alcea rosea 'PEACHES 'N DREAMS'

Hollyhock
Alcea rosea 'PEACHES 'N DREAMS'

Alcea rosea 'Radient Rose'

Hollyhock
Rose pink, single flowers are produced on tall, sturdy stalks in midsummer. For over 18 years, Jelitto worked to develop a consistent strain of stable, straight color, single flowered Hollyhocks. The Alcea rosea Spotlight Series was introduced by Jelitto in 2010 with multiple single color strains including deep black-purple, red, pink, yellow, and white. Other than their fabulous blossoms, one of the best traits about this series is that the plants are truly perennial, not biennial. Feel free to grow hollyhocks under Black Walnut trees; they are tolerant of the toxic juglone that is emitted through the trees' roots.
Alcea rosea 'Radient Rose'

Alchemilla mollis

Lady'S Mantle
Lime green flowers in the spring. Wooly green leaves are rounded and shallowly lobed. Good as a slow-moving ground cover in the shade garden. Fairly drought tolerant.
Alchemilla mollis

Alchemilla mollis 'Thriller'

Lady'S Mantle
Excellent gray-green foliage with tiny, star-shaped, green-yellow blooms. Slightly larger than the species yet remains compact and well behaved.
Alchemilla mollis 'Thriller'

Alisma subcordatum

Plantain, Water
Mud Plantain is also called American Water Plaintain and Alisma plantago-aquatica. It sends up a flowering stem from their clumped base leaves. The small flowers have white or pink-tinged petals. Ribbon-like leaves formed underwater rarely are seen on adult plants because they tend to rot. A typical emergent aquatic plant, Mud Plantain's lower part is often below water while its upper part is exposed.
Alisma subcordatum

Allium 'Medusa'

Allium
This ornamental onion has snaky, twisty leaves that will remind you of the snake hair from the Medusa legend. ‘Medusa’ forms a low mound of grey-green, narrow foliage with leaves the twist slightly at the end. The nodding buds look like snakes at the tips of the stems, before they straighten to form 1.75-2" rounded clusters of light amethyst purple flowers. Similar in flower color and flower foliage to ‘Blue Eddy’, but in a much larger form. Butterflies and honeybees adore the flowers' sweet nectar but deer and rabbits steer clear of this perennial beauty.
Allium 'Medusa'

Allium 'Millenium'

Allium
Long lasting rosy purple 2" globes bloom mid to late July, later than other Allium varieties. Compact variety. Bright green, clump-forming foliage is one of the earliest to emerge in spring. Highly resistant to deer and rabbits and mildew. Drought tolerant, long lived perennial. Attracts butterflies.
Allium 'Millenium'

Allium 'Pink Planet'

Allium
Graceful 2-3 inch globe-shaped light pink-to-purple flowers stand tall above wide twisting blades of gray-green foliage. Beginning in late August it blooms for a good month. Blooms maintain interest even after color fades. A tough, hardy plant with excellent drought resistance.
Allium 'Pink Planet'

Allium 'Sugar Melt'

Allium
Ornamental onion has pink globular flower clusters July through September. Green grass-like foliage is somewhat twisted. Flowers are mildly fragrant. All parts of the plant have an oniony aroma when cut or bruised. Not as aggressive as other Allium varieties. Prefers full sun but tolerates some light afternoon shade in hot summer climates. Performs best in rich, sandy loams. Some drought tolerance once established.
Allium 'Sugar Melt'

Allium 'Summer Peek-A-Boo'

Allium
‘Summer Peek-a-Boo’s’ most charming attribute is how the flowers bloom just above its compact, short foliage. Round lavender-pink blooms on strong stems from June into early August. Butterflies and bees adore the flowers but deer and rabbits steer clear of this perennial beauty.
Allium 'Summer Peek-A-Boo'

Allium angulosum 'Summer Beauty'

Allium
Long lasting lavender-pink 2” globes bloom mid to late July, later than other Allium varieties. Bright green, clump-forming foliage is one of the earliest to emerge in spring. Highly resistant to deer and rabbits and mildew. Drought tolerant, long lived perennial. Attracts butterflies.
Allium angulosum 'Summer Beauty'

Allium giganteum

Onion, Ornamental
Allium giganteum, commonly called giant onion, is perhaps the tallest of the ornamental onions. It is a bulbous perennial (large bulbs to 2-3" diameter) which produces a basal rosette of grayish-green, strap-shaped leaves (to 18" long). From the center of each basal rosette rises a thick, naked, 3-4’ tall scape (stem) which is topped in late spring by a dense, globular, softball-sized, 5-6" diameter cluster (umbel) of tiny, star-shaped lilac-purple florets. Leaves and scapes smell like onions when bruised, but plant is not used for culinary purposes. Leaves begin to die back as plants begin flowering.
Allium giganteum

Allium giganteum 'Gladiator'

Onion, Ornamental
7-8" large lavender-blue florets with a sweet pungent scent create tight, globe-shaped heads the size of a softball atop 3-4' stems.
Allium giganteum 'Gladiator'

Allium giganteum 'Globemaster'

Onion, Ornamental
'Globemaster' is a hybrid cross between A. christophii and A. macleanii. It is a bulbous perennial that is ornamentally grown for its spring bloom of spherical, deep lavender flower heads. Strap-shaped, gray-green, basal leaves form a clump of foliage in spring. As the leaves begin to wither in mid-spring, stout flowering stems rise to 20-30" tall topped with huge, globular, deep lavender to silver-purple flower heads (terminal umbels to 6-10" in diameter) packed with individual star-shaped florets which collectively display a metallic sheen. Flowers appear in an impressive, long-lasting, spring bloom (May in St. Louis) in which new florets continue to develop as the original ones fade. Flower heads dry after bloom and remain ornamental in the garden well into summer. Flowers generally lack fragrance.
Allium giganteum 'Globemaster'

Allium giganteum 'Purple Sensation'

Onion, Ornamental
4-5 inch ball of vivid violet-purple flowers on 24-30 inch stalks. Easily grown in average, dry to medium moisture, well-drained soils in full sun to part shade. Plants typically produce showy flower umbels on naked scapes rising above a clump of linear grass-like leaves. Best in full sun, but appreciates some light afternoon shade in hot summer climates. Tolerates a wide range of soils. Performs well in sandy soils. Add sand to clay soils as needed to improve drainage.
Allium giganteum 'Purple Sensation'

Amorpha canescens

Leadplant
Leadplant (Amorpha canescens) exhibits a unique display of both foliage and flowers. Spikes of iridescent purple flowers appear atop the delicate silver-gray foliage in the heat of mid-summer. Extremely long-lived, this is one of the few true shrubs of the prairie. Leadplant's deep taproot makes it extremely drought tolerant. Thrives in any well-drained soil.
Amorpha canescens

Amorpha fruticosa

False Indigo Bush
Long racemes of purple flower bloom in May and June. Foliage has shrub-like habit and pinnately compound leaves. Grows along stream banks and moist woods.
Amorpha fruticosa

Amsonia 'Midway to Montana'

Blue Star
Finely textured foliage and very light blue flowers in late spring on this cultivar of a North American native. Blooms at approximately 18" tall, then continues to grow reaching 2-3' tall. Golden yellow fall color. Attracts butterflies, resists deer.
Amsonia 'Midway to Montana'

Amsonia ciliata 'Georgia Pancake'

Blue Star
This Blue Star is a departure from the taller varieties with a low-growing habit that makes it ideal for use as a groundcover. Needle-like, chartreuse green foliage takes on a golden yellow color in fall and is soft to the touch. Small, pale blue flowers appear in late spring to early summer.
Amsonia ciliata 'Georgia Pancake'

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.
Amsonia hubrichtii

Amsonia illustris

Blue Star, Shining
Clusters of pale blue, star-like flowers grace a substantial mound of shiny, leathery leaves in May. Foliage often turns gold in fall. An easy-care native of the Ozarks.
Amsonia illustris

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.
Amsonia tabernaemontana

Amsonia tabernaemontana 'Blue Ice'

Blue Star
Plump navy blue buds open to vivid periwinkle blue, star-shaped flowers in Ma'y.considerably longer and stronger than the species with 5 weeks or more of color. More compact and darker blue flowers than the species. Willow like leaves turn a stunning shade of yellow in autumn.
Amsonia tabernaemontana 'Blue Ice'

Amsonia tabernaemontana 'Storm Cloud'

Blue Star
Amsonia tabernaemontana, commonly called bluestar, is a Missouri native herbaceous perennial which occurs most frequently in rich, open woods and thickets in the southwestern part of the State. An erect, clump-forming plant which features terminal, pyramidal clusters of 3/4", soft light blue, star-like flowers in late spring atop erect, leafy stems growing 2-3' tall. Narrow, willow-shaped, dull green foliage may turn an attractive yellow in fall. ‘Storm Cloud’ features near black stems in spring clad with silver-veined dark green leaves. Leaves lighten to olive green by summer. Light periwinkle-blue, star-shaped flowers bloom abundantly from late spring to early summer, often with some rebloom thereafter. Plants typically grow to 24-30" tall spreading to as much as 42" wide.
Amsonia tabernaemontana 'Storm Cloud'

Andropogon gerardii

Grass, Big Bluestem
King of native grasses! Blue-green foliage that can reach 8' tall forms distinctive seed heads in late summer. Nice red color in fall. Ideal as a background plant, specimen or in naturalized plantings.
Andropogon gerardii

Andropogon gerardii 'Red October'

Grass, Big Bluestem
Dark-green foliage with red stems and red flowers. Thin foliage deepens to purple in late summer. Cool nights in August can add to the interest, turning foliage tips red. After a frost, this new native turns almost entirely brilliant scarlet for fall, displaying spectacular late-season color.
Andropogon gerardii 'Red October'

Anemone ' Fantasy Cinderella'

Covered in thick-petaled, baby pink blooms from mid to late summer! The seed heads look like little fluffy cotton balls, standing atop strong stems to give interest to the garden from fall into winter. This vigorous, clumping selection is a delight in the garden or mixed container.
Anemone ' Fantasy Cinderella'

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.
Anemone 'Honorine Jobert'

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.
Anemone 'Pamina'

Anemone 'Pocahontas'

Windflower
Covered in double flowered, bubblegum pink blooms from mid to late summer! The seed heads look like fluffy cotton balls, standing atop strong stems to give interest to the garden from fall into winter. This vigorous, clumping selection is a delight in the garden or mixed container.
Anemone 'Pocahontas'

Anemone 'Whirlwind'

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

Anemone hupehensis 'September Charm'

Windflower
Anemone hupehensis 'September Charm'

Anemone rupicola 'Wild Swan'

Windflower
Unlike the typical Japanese hybrids that only bloom in fall, this Anemone rupicola hybrid blooms from late spring until frost with continuous prolific bloom. Huge 3-3.5" white flowers will delight you with their lilac-blue bands on the backside. These bands will be a main feature as the flowers close at night. WILD SWAN was selected from a batch of Anemones by Elizabeth MacGregor of Scotland, a plant enthusiast and owner of Elizabeth MacGregor Nursery. She selected WILD SWAN™ for its vigor and long flowering performance.
Anemone rupicola 'Wild Swan'

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.
Anemone sylvestris

Anemone tomentosa 'Robustissima'

Anemone, Grape-Leaf
Mauve-pink flowers held well above the foliage August through October. One of the earliest anemones to bloom in the fall. Dark green foliage remains handsome from spring through frost. Plants are stoloniferous and spread in the garden but can be but are easy to control by digging.
Anemone tomentosa 'Robustissima'

Aquilegia 'Swan Violet & White'

Columbine
Pure white center surrounded by dark violet, shiny petals and spurs. The name honors the memory of the victims of the Columbine High School tragedy in Colorado. Proceeds benefit organizations that promote diversity and tolerance in schools.
Aquilegia 'Swan Violet & White'

Aquilegia caerulea 'Origami Red & White'

Columbine
Long spurred red and white, upward facing blooms appear above upright silver gray foliage.
Aquilegia caerulea 'Origami Red & White'

Aquilegia caerulea 'Origami Yellow'

Columbine
Long spurred yellow, upward facing blooms appear above upright silver gray foliage.
Aquilegia caerulea 'Origami Yellow'

Aquilegia canadensis

Columbine
Lots of red and yellow nodding flowers for many weeks from late April until mid June. A great source of early nectar for butterflies and hummingbirds. Found naturally on rocky ledges and wooded rocky slopes.
Aquilegia canadensis

Aralia cordata 'Sun King'

Spikenard
This deciduous perennial offers huge, compound foliage with leaflets to six inches, chartreuse-yellow in color, shading to pale lime, in contrast to its red-brown stems. A striking foliage plant for a cool, moist and shaded position rich loam. In late summer, tiny white flowers on radiating stems appear, followed by small purple (inedible) berries. Foliage and stems disappear for winter.
Aralia cordata 'Sun King'

Armeria maritima 'Splendens'

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

Armeria pseudarmeria 'Ballerina Lilac'

Thrift
Armeria pseudarmeria 'Ballerina Lilac'

Armeria pseudarmeria 'Ballerina Red'

Thrift
In Armeria comparison trials conducted at Walters Gardens, Inc., the Armeria Ballerina Series was a clear winner. This rose red seed selection turned in an excellent garden performance, blooming heaviest from mid through late spring and then sporadically reblooming through the summer months. False Sea Thrift often reblooms when deadheaded.
Armeria pseudarmeria 'Ballerina Red'

Aronia melanocarpa

Chokeberry, Black
Aronia melanocarpa

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.
Artemisia schmidtiana 'Powis Castle'

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".
Artemisia schmidtiana 'Silver Mound'

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.
Aruncus dioicus

Aruncus dioicus 'Misty Lace'

Goat'S Beard
Aruncus dioicus 'Misty Lace'

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.
Arundo donax 'Versicolor'

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.
Asarum canadense

Asarum splendens

Ginger, Chinese Wild
Large leaves with silver mottling. Dark purple flowers in spring. Spreads by rhizomes. Hardy to Zone 6.
Asarum splendens

Asclepias incarnata

Milkweed, Swamp
Clusters of long-lasting vanilla-scented rose-pink flowers are butterfly magnets in July and August. A host plant for Monarch larvae, and a nectar plant for many butterfly species. Grows best in moist soils, but tolerates drier conditions.
Asclepias incarnata

Asclepias incarnata 'Cinderella'

Milkweed, Swamp
Large 3-4" clusters of fragrant vanilla-scented rose-pink flowers in July and August over lush green foliage attract butterflies and beneficial insects from midsummer to early fall. Grows best in moist soils but tolerant of drier conditions.
Asclepias incarnata 'Cinderella'

Asclepias purpurascens

Milkweed, Purple
Asclepias purpurascens, Purple Milkweed looks similar to Common Milkweed (Asclepias syriaca), but the flower color is a rich red purple color compared to the soft gray-pink of Common Milkweed. There are usually one to three blooms that form near the ends of the stems in late spring, early summer. The flower is held above the leaves on stems a bit longer then Common Milkweed’s and the umbel itself is stiff, and holds a nicely rounded form while that of Common will flop a bit. Blooms can last for about a month and if seed is not set it will occasionally re-bloom. The average height is around 3 feet but it will sometimes go to 4 feet. The flowers will attract a variety of nectar seeking insects from the very small to large Bumble Bees and of course Monarch Butterflies. The leaves are big, around 6-8 inches and they taper to a point at both ends. The mid-vein in the leaves is tinted with the same color as the flower. Grow Asclepias purpurascens in a site that is well drained but has ample moisture. It seems to prefer a bit of shade but will do well in full sun if it gets deep, regular watering. This Milkweed will not spread aggressively like the Common does. The seed pods are smooth and a little more slender than those of Common Milkweed which has plump pods with a prickly surface.
Asclepias purpurascens

Asclepias sullivantii

Milkweed, Sullivant'S
Similar to Common Milkweed but is less aggressive, has slightly smaller flowers, and an overall smooth appearance on the stem, leaves and seed pods. Visited by hummingbirds and a wide variety of bees and butterflies (including, of course, Monarchs), Prairie Milkweed is one of the plants favored by the larvae of the Milkweed Leaf-Miner fly, which bore holes in the leaves. Bears a very fragrant pink flower, Prairie Milkweed makes a nice addition to any sunny medium to medium-moist garden. After just a few years the taproot will extend very deep, protecting the plant in times of drought, but also making it difficult to move so choose your spot wisely.
Asclepias sullivantii

Asclepias syriaca

Milkweed, Common
This native classic is best known as a food of larval monarch butterflies (along with its siblings A. incarnata and A. tuberosa). Robust and stoloniferous with deep pink clusters of fragrant flowers in June and July, followed by lovely pods of silky seeds in October.Monarch butterflies lay their eggs exclusively on Milkweed plants, making them the sole food source for their larvae. Once found in abundance in nearly every farm field, ditch, and disturbed site, Common Milkweed numbers have been in dramatic decline in recent years, due in part to suburban development and the increased efficiency of herbicides used in conjunction with herbicide-tolerant, genetically modified row crops. Common Milkweed is one of the easiest and fastest to establish of the Milkweeds. The large flower can vary in the color range from nearly white to deep pink-purple. The fragrance is very delicate and pleasing and numerous native pollinators will benefit during its long bloom time.
Asclepias syriaca

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.
Asclepias tuberosa

Asclepias verticillata

Milkweed, Whorled
A widely adaptable and tough native is a deer-resistant food for larval butterflies. The fine-textured foliage provides a dark green backdrop for the clusters of white flowers that appear in June and July. Please note, Asclepias verticillata is highly toxic to livestock and horses - it should not be allowed to take root in pastures or hayfields. Found in dry fields, roadsides and shale barrens, you can see that it needs no coddling. Best located in a sunny dry spot, but will tolerate average to moist garden soil as well.
Asclepias verticillata

Asclepias viridis

Milkweed, Spider
Green Milkweed shares with other Asclepias species its milky, irritating sap and strong attractiveness to Monarch butterflies and a host of other insects. Very tolerant of dry conditions, it is also called Green Antelopehorn. Green Milkweed features rose-white flowers surrounded by green that form in showy umbellated clusters, often one per plant. Its beauty and tendency to spread slightly make it a good garden choice. White crab spider lives on this plant.
Asclepias viridis

Aster (syn Symphyotrichum) 'KICKIN Carmine Red'

Aster
Their habit is superb, forming a very full, bushy, relatively short mound of finely textured green foliage. From late summer through mid-fall, every inch of the foliage is completely covered in flowers, creating a huge splash of color that is so needed in the garden late in the season. Due to their naturally compact habit, they are terrific in containers or near the front to middle of the border. They do not require any human intervention to maintain their neat habit and they have a long shelf life. KICKIN® 'Carmine Red' produces magenta red flowers with a gold button center. Asters are excellent cut flowers and attract butterflies. They make a terrific accent to fall blooming grasses and the changing colors of the trees. They are native to North America and are generally very easy to grow.
Aster (syn Symphyotrichum) 'KICKIN Carmine Red'

Aster (syn Symphyotrichum) dumosus 'Professor Kippenburg'

Aster
Beautiful mounds of vivid, lavender-blue, semi double flowers with yellow centers. Looks great in borders and mass plantings.
Aster (syn Symphyotrichum) dumosus 'Professor Kippenburg'

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.
Aster (syn Symphyotrichum) dumosus 'Wood's Light Blue'

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.
Aster (syn Symphyotrichum) dumosus 'Wood's Pink'

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.
Aster (syn Symphyotrichum) dumosus 'Wood's Purple'

Aster (syn Symphyotrichum) ericoides 'Bridal Veil'

Aster, New York
Finely-textured branches covered in white flowers arch gracefully. Blooms peak in October. Drought-tolerant and powdery mildew-resistant.
Aster (syn Symphyotrichum) ericoides 'Bridal Veil'

Aster (syn Symphyotrichum) laevis

Aster, Smooth
Small violet blue to purple flowers with yellow center appear in open, loose clusters in September and October. Foliage is bluish-green. Easy to grow. Midwest native. AKA Symphyotrichum laeve.
Aster (syn Symphyotrichum) laevis

Aster (syn Symphyotrichum) novae-angliae

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

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.
Aster (syn Symphyotrichum) novae-angliae 'Purple Dome'

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.
Aster (syn Symphyotrichum) oblongifolius

Aster (syn Symphyotrichum) oolentangiensis

Aster, Sky Blue
Dozens of blue flowers with yellow centers bloom in September and October. The foliage is blue-green and stems are dark. Butterflies love the nectar. AKA Symphyotrichum oolentangiense.
Aster (syn Symphyotrichum) oolentangiensis

Astilbe chinensis 'Amber Moon'

Astilbe
This Astilbe is useful for brightening up the shade garden as well as providing beautiful long-stemmed flowers for fresh and dried bouquets. The foliage emerges bright chartreuse yellow in spring with a tinge of red pigment in the newest leaves. It provides a bright spot of color and lacy texture to the shade garden in spring and then greens up a bit by late summer. Very tall, strong, blush red stems carry rose pink flower panicles in midsummer. ‘Amber Moon’ displays good heat tolerance and a robust habit like Chinese Astilbe, though we cannot say for sure that it is pure A. chinensis. It is best grown in partial to full shade because of its light colored foliage.
Astilbe chinensis 'Amber Moon'

Astilbe chinensis 'Little Vision in Pink'

Astilbe
Perfectly sized for containers or the front of the border, ‘Little Vision in Pink’ offers all the same great traits as the original ‘Vision in Pink’ but in a smaller package. Standing about 16” in bloom, a dense block of fuzzy, pyramidal shaped, rose pink plumes is presented just above the coarsely textured, dark green foliage in midsummer. Like all Chinese Astilbes, this one exhibits a bit greater tolerance to drier soils and can take full sun. A member of Astilbe chinensis(Chinese Astilbe). A later blooming species useful for extending the bloom season into late summer. Foliage is deeply incised, coarsely textured, and often bronze-green in color. Flowers are borne on narrow, branched panicles. Though garden performance is far superior in moist soils, members of this species are moderately drought tolerant. Shorter varieties such as 'Pumila' make excellent groundcovers.
Astilbe chinensis 'Little Vision in Pink'

Astilbe chinensis 'Little Vision in Purple'

Astilbe
‘Little Vision in Purple’ differs from ‘Visions’ by its more compact plant habit, more finely dissected leaves, and darker colored flowers. These flowers form a dense block of fuzzy, pyramidal shaped, lavender plumes, presented just above the coarsely textured, dark green foliage in midsummer. Like all Astilbe chinensis types, this one exhibits a bit greater tolerance to drier soils and can tolerate full sun. A member of Astilbe chinensis(Chinese Astilbe). A later blooming species useful for extending the bloom season into late summer. Foliage is deeply incised, coarsely textured, and often bronze-green in color. Flowers are borne on narrow, branched panicles. Though garden performance is far superior in moist soils, members of this species are moderately drought tolerant.
Astilbe chinensis 'Little Vision in Purple'

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.
Astilbe chinensis 'PURPLE CANDLES Purpurkerze'

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.
Astilbe chinensis 'Visions'

Astilbe chinensis 'Visions in Pink'

Astilbe, Chinese
Pink flowers on sturdy upright stems late May through early July. Shiny dark green foliage. Very robust and floriferous. More drought resistant than A. arendsii types. Late season bloomer.
Astilbe chinensis 'Visions in Pink'

Astilbe chinensis 'Visions in Red'

Astilbe, Chinese
Deep purple-red flower buds open dark lavender on sturdy upright stems in June and July. Foliage is bronze-green. Very robust and floriferous. More drought resistant than A. arendsii types. Late season bloomer.
Astilbe chinensis 'Visions in Red'

Astilbe chinensis 'Visions in White'

Astilbe, Chinese
Astilbe chinensis 'Visions in White'

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.
Astilbe chinensis var. pumila

Astilbe japonica 'Deutschland'

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

Astilbe japonica 'Red Sentinel'

Astilbe
Crimson red flower plumes rise above foliage in June. Glossy green, fern-like foliage forms a dense mound. Thrives in moist conditions. Early to midseason bloomer.
Astilbe japonica 'Red Sentinel'

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.
Astilbe japonica 'Rheinland'

Astilbe x arendsii 'Bridal Veil'

Astilbe
Frothy profusion of pure white flowers. Midseason bloomer.
Astilbe x arendsii 'Bridal Veil'

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.
Astilbe x arendsii 'Fanal'

Athyrium filix-femina

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

Athyrium filix-femina 'Branford Beauty'

Fern, Japanese Painted
This cross between Japanese painted fern and the red stemmed lady fern is a handsome plant with silver-gray fronds and red stems. The growth habit is upright and clumping. Good for massing as well as a specimen plant.
Athyrium filix-femina 'Branford Beauty'

Athyrium filix-femina 'Lady in Red'

Fern, Lady
Vibrant burgundy stems stand out against light green lacy fronds. Foliage is upright and arching. Naturalizes by creeping rhizomes.
Athyrium filix-femina 'Lady in Red'

Athyrium filix-femina 'Victoriae'

Fern, Lady
Fringed leaflets form a criss-cross pattern creating a unique texture. Foliage is upright and arching. Tolerates drier conditions than most ferns. Vigorous grower.
Athyrium filix-femina 'Victoriae'

Athyrium niponicum 'Ghost'

Fern, Lady
Stunning silvery fronds are accented with dark maroon midribs. New growth emerges with a ghostly white hue maturing to silver. Striking upright, clump forming habit. A hybrid of A. n. Pictum (Japanese Painted Fern) and A. filix-femina (Lady Fern).
Athyrium niponicum 'Ghost'

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.
Athyrium niponicum 'Pictum'

Aurinia saxatilis 'Summit'

Basket-Of-Gold
A well-behaved and disease resistant groundcover, Aurinia is prized for its rousing floral display of tiny, golden yellow flowers borne in panicles just above the foliage. It forms fairly large, prostrate mounds of silvery-green leaves. It's especially attractive when planted on slopes or in the crevices of stone walls.
Aurinia saxatilis 'Summit'
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