Eryngium yuccifolium

Rattlesnake Master, Button Eryngo, Button Snake Root

Family: Apiaceae Carrot


Type Perennial
USDA Hardiness range 4A - 8A
Exposure Partial shade to full sun
Bloom color White
Bloom time Early Summer to Early Fall
Water needs Dry
Landscape uses Border, container, rock garden
Height 36" to 5' / 90cm to 1.60m
Spread 24" to 36" / 60cm to 90cm
Growth rate Moderate
Bloom attributes Attracts butterflies, suitable for cut flowers, suitable for dried flowers
Leaf color Blue, green
Fruit color n/a
Soil pH requirements Acidic, neutral, slightly alkaline
Soil type Sandy
Form Upright or erect
Attributes and features Native to North America, naturalizing