Eryngium yuccifolium - Rattlesnake Master

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Butterfly FriendlyDeer ResistantRain Garden
Rattlesnake Master
Eryngium yuccifolium

Rattlesnake Master is a unique and eye-catching plant for a dry, sunny site. Slightly spiny leaves are arranged in a rosette that resembles Yucca. Flower stems shoot skyward in summer and are topped with thistle-like bluish silver flowers. An architectural addition to the perennial border or meadow, Eryngium yuccifolium is most effective planted singly or in small groups.

  • Host plant for swallowtail butterflies
  • Provides nectar for butterflies and other beneficial insects
  • Easy to Grow, tolerant of hot dry sites
  • Unique appearance, makes quite a statement
  • Mature Plants Deer Resistant

Native Range

Found in moist and dry sandy soils in open woods, fields, and prairies; Virginia to Minnesota, south to Texas and Florida.

Map Credit: The Biota of North America 
Map Key: Green (native), Teal (native, adventive), Blue (present), Yellow (present & rare), Red (extinct)



The plant, at first glance, appears to be an Agave or Yucca. The flowers really give away the fact that it belongs with the carrots (apiaceae). The stems of the plant smell like carrot when crushed. Plant common names are, many times, an indication of a plant use in past generations. Native Americans and pioneers used the root of Rattlesnake Master extensively as an antidote to rattlesnake venom.



Definitely, an accent plant, although care must be taken not to make groupings too excessive. Clusters of three should be sufficient for most landscapes. This species is best kept in the rear of the border flower stalks can reach up to 5' in height.


Mature Size: 3-4' T x 18-24" W

Hardiness Zone: 3-8

Sun Exposure: Full sun

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