ERYNGIUM (Sea Holly) - Green Select Perennials

Zone 5, sun.

planum

Size: 4 1/2"

Durable plants with serrated foliage producing blue flowers, July-Aug., height 15″-36″, spread 18″-24″. Use for borders, specimen, cutting or drying. Prefers dry soil.

yuccifolium (Rattlesnake Master)

Size: 1 Gallon

Silvery-white flower balls are born in clusters atop yucca-like foliage, June-Aug., height 2-5′, spread 2′, Native Prairie. Prefers dry limy soil.

bourgatii

Size: 1 Gallon

Deeply cut foliage with white veins. Steel blue thistle-like flowers, July-Aug., height 18″-24″, spread 15″-18″. Use for borders, specimen, cutting or drying. Prefers dry soil.