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Image courtesy Walters Gardens Inc.

Image courtesy Walters Gardens Inc.

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Eryngium planum 'Blue Glitter'

Sea Holly

Plant Type: Perennial

Sea Holly is adored by florists and gardeners alike for its unique and long lasting, blue, spiny flowers which add interesting color and texture to bouquets or the garden. They are produced on intensely silver-blue stems and stand high above the basal rosette of blue-green, deeply toothed, smooth textured leaves.

'Blue Glitter' is an improvement over older varieties because it matures quickly, produces a greater number of flowers, and has a more intense blue flower color. It does not require vernalization to bloom, which is an advantage to gardeners in southern zones.This species of Eryngium is one of the hardiest and it has proven to be a reliable, long-lived perennial.


Height

6-8"

Spread

8-12"

Landscape Application:

Group or mass in beds, borders, cutting gardens and meadows.

Eryngium planum 'Blue Glitter' Plant Care:

Prefers dry, non fertile, sandy soils. Will flop in overly fertile soil and less than full sun. Taproot makes for poor transplanting.

USDA Hardiness Zone: Zone 4 (-30/-20F)

Sea Holly Characteristics & Attributes

Season of Interest
Mid Season (May - June)
Late Season (July - frost)
Soil Moisture Needs

Low to moderate soil moisture.

Average
Moderate

Sea Holly Additional Information

We have selected a favorite website for more information about this plant:
http://www.perennialresource.com/encyclopedia/view/?plant=1640