5 Seeds Eryngium yuccifolium Rattlesnake Master Perennial Wildflower

Eryngium yuccifolium, commonly known as Rattlesnake Master, offers a striking architectural presence with its spiky, yucca-like foliage and unique, thistle-like white flower heads that bloom in mid to late summer. This native perennial adds texture and visual interest to sunny borders, prairie gardens, or naturalized areas, attracting pollinators with its distinctive globe-shaped blooms.
Use these seeds to establish a hardy, drought-tolerant perennial that thrives in well-drained soil and full sun. The plant forms a basal rosette of sword-shaped leaves and sends up tall stems, reaching up to 4–5 feet in height, making it an excellent backdrop plant or accent in ornamental garden beds. It is well-suited for wildflower meadows and low-maintenance landscapes.
Species: Eryngium yuccifolium
Variety: Rattlesnake Master
Type: Perennial Seed
Plant_Habit: Upright clumping perennial
Sun: Full sun to partial shade
Soil: Well-drained, sandy or loamy soil
Days_to_Harvest: Not applicable
Zones: 3–9
Germination: Cold stratification recommended for 4–6 weeks, then sow at 70°F
Sowing: Sow on soil surface, press lightly, keep moist
Spacing: 18–24 inches apart
Notes: Drought tolerant once established, attracts bees and butterflies