Rattlesnake Master

Plant picture
Image of Rattlesnake MasterImage of Rattlesnake Master

Plant Information

Taxonomic Name: Eryngium yuccifolium cv. Prairie Moon
Common Name: Rattlesnake Master
Type: Herbaceous Perennial
Zone: 3, 4, 5, 6, 7, 8
Bloom Time: June to September
Height: 36-60 inches
Light Requirements: Full sun, Morning shade with afternoon sun, Morning sun with afternoon shade
Soil Conditions: Tolerates periodic drought, Average well-drained soil
Flower Color: White
Wildlife: Bees, Butterflies, Wasps
Special Characteristics:
  • Also known as Button snakeroot
  • Member of the carrot family though it resembles a yucca plant with a thistle-like appearance
  • Dried seed heads used to be used as rattles by Native Americans
  • Mildly fragrant flower heads turn from white to purplish in fall then dark brown when dry
  • Foliage is green, blueish or gray-green
  • Rattlesnake master refers to an erroneous belief that the roots could be used as an antidote to rattlesnake bites
  • Easily propagates from seed and will readily self-sow
  • In shade, becomes spindly and may topple while in bloom
  • Easy to grow
  • Root has a central taproot and thus does not transplant well
  • Best left as is once established
  • Leave up for winter interest
  • Drought tolerant
  • Clay soil tolerant
  • Deer tolerant
  • Rabbit tolerant