Scientific Name: Eryngium yuccifolium
Rattlesnake Master, Button Erngo, Button Snakeroot
A member of the carrot family. A sturdy plant with no serious insect or disease problems. Pioneers believed the roots to be an effective antivenin to rattlesnake bites; this proved to be false.
Summer to fall
Mid to late Summer
Perennial border, meadow plantings, gravel gardens
USDA Hardiness Zones 3-8
One or more offsets will develop at base of the plant after it dies back eventually producing a clump of plants. Seed heads.
Well drained, sandy or clay
Mountains, Piedmont, Coastal Plain
Midwest to Eastern US Prairies
Page by Tracie Bowers EMGV