Eryngium yuccifolium, also known as rattlesnake master, is a unique perennial prized for its striking spiky foliage and globe-shaped clusters of small, greenish-white flowers that bloom in summer, attracting pollinators and adding architectural interest to prairie gardens or naturalized areas.
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Eryngium yuccifolium
Common Name: Rattlesnake master
Type: Perennial
Family: Apiaceae
Native Range: North America
Zone: 3 to 9
Height: 3 to 5 feet
Spread: 1 to 2 feet
Bloom Time: July to August
Bloom Description: Greenish-white
Sun: Full sun
Water: Dry to medium
Maintenance: Low
Suggested Use: Prairie garden, naturalize
Flower: Showy
Attracts: Bees, butterflies
Tolerate: Deer, drought, dry soil
Rattlesnake Master (Eryngium Yuccifolium)
Ornamental Features
Rattlesnake Master features showy clusters of white ball-shaped flowers with light green overtones at the ends of the stems from early to late summer that fade to brown over time. The flowers are excellent for cutting. Its attractive serrated sword-like leaves remain bluish-green in color throughout the season.
Planting Info
Rattlesnake Master will grow to be about 24 inches tall at maturity extending to 4 feet tall with the flowers, with a spread of 3 feet. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen!
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