Plant Library

Rattlesnake Master yuccifolium

Common Name: Rattlesnake Master

Botanical Name: Eryngium

Variety: yuccifolium

Blossom Color: White

Bloom Time: Jun-Aug

Zone: 4 to 9

Exposure: Full Sun

Mature Height: 3-5'

Mature Width: 1-2'

Notes: Native perennial, easily recognized by its spiny, round clusters of silvery white flowers that tower above the blue-green, sword-shaped, Yucca-like leaves. Contributes greatly to insect and pollinator diversity. Deep tap root increases drought tolerance. May reseed.