Rattlesnake Master

Rattlesnake Master

Whitebanded Crab Spider on Rattlesnake Master bloom, Nash Prairie © Don Verser

Eryngium yuccifolium
Family: Apiaceae (Carrot Family) 

Rattlesnake Master (Eryngium yuccifolium) is a striking native perennial found throughout the prairies and open woodlands of Texas, including Southeast Texas. Despite its name, it is not a true yucca, but its sword-like leaves and bold flower heads make it a standout plant in native landscapes. Historically, Native Americans used the plant for medicinal purposes, adding to its cultural significance.

• Scientific Name: Eryngium yuccifolium
• Common Names: Rattlesnake Master, Button Eryngo
• Family: Apiaceae (Carrot Family)
• Growth Habit: Upright, clump-forming perennial
• Height: 3-5 feet
• Leaves: Long, narrow, yucca-like with spiny edges
• Flowers: Globe-shaped, silvery-white flower heads on tall stalks
• Bloom Time: Summer (June to August)
• Wildlife Benefits: Attracts a variety of pollinators, especially bees and butterflies

Habitat & Range in Southeast Texas

Rattlesnake Master at Deer Park Prairie © Don Verser

Rattlesnake Master naturally occurs in:

• Tallgrass Prairies: Thrives in sunny, open areas with well-drained soils
• Savannas & Meadows: Common in native prairie remnants
• Roadsides & Restored Habitats: A reliable species for native plantings

This species prefers dry to moderately moist soils and is drought-tolerant once established.

Ecological Importance

• Pollinator Magnet: Supports native bees, butterflies, and other beneficial insects.
• Biodiversity Boost: Adds diversity and resilience to prairie plant communities.
• Cultural Significance: Historically used for medicinal purposes by Indigenous peoples.

Landscaping & Gardening Uses

Rattlesnake Master adds bold texture and architectural interest to native gardens:

• Native Prairie Gardens: A keystone species in tallgrass prairie restorations.
• Pollinator Gardens: Long-lasting blooms provide essential nectar resources.
• Drought-Resistant Plantings: A hardy addition to xeriscapes and low-water landscapes.

Planting & Care

• Sunlight: Full sun
• Soil: Well-drained soils; tolerates poor and rocky soil
• Water Needs: Low to moderate; very drought-tolerant
• Maintenance: Minimal; cut back in winter to encourage new growth
• Companion Plants: Pairs well with Little Bluestem (Schizachyrium scoparium), Purple Coneflower (Echinacea purpurea), and Black-eyed Susan (Rudbeckia hirta)

Fun Facts

• Rattlesnake Master gets its name from a historic belief that it could treat rattlesnake bites.
• The plant’s unusual texture and appearance make it a favorite for native plant enthusiasts and landscape designers.
• It belongs to the same family as carrots and parsley but looks more like a yucca.

Conservation & Native Plant Advocacy

Incorporating Rattlesnake Master into your garden or restoration project supports pollinators, enhances biodiversity, and preserves a culturally significant native species.

Where to Find It