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Botanical Name: Eryngium
Common Name: Sea Holly
Hardiness: Zone 4 - 8
Exposure: Full Sun
Bloom Time: Summer
Flower Colours: Silvery white
Foliage: Gray, thistle-like
Height: 36 - 48 inches
Spread: 12 - 18 inches
Soil Type: Sandy
Moisture: Well drained
Care Level:
Eryngium Blue Diamond

General Description:
Grown for interesting foliage and bluish metallic, spiny collared flowerheads. Flower of a long period in summer and may be cut before fully open and dried.

Care and Maintenance:
Mostly frost hardy. Requires sun, good drainage and sandy soil. Tends to collapse in wet, heavy ground in winter.

Uses & Features:
Cut/dried
Specimen
Border
Varieties Available:
planum:
Blue Diamond