Scoliopus hallii

Foetid Adders Tongue


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Demure little native of the Coast and Cascade Ranges in Oregon, this obscure Trillium relative was grown from seed collected by National Living Treasure Ron Ratko. Well, he should be anyway. Grow this like you would Primroses or Trilliums in moist but draining soil in shade.


Plant Type

  • Perennial / Bulb

Mature Size


Hardiness Zones

  • Zone 7a (0 °F)
  • Zone 7b (5 °F)
  • Zone 8a (10 °F)
  • Zone 8b (15 °F)
  • Zone 9a (20 °F)
  • Zone 9b (25 °F)

Sun Exposure

  • Shade

Water Needs

  • Moist

Bloom Time

  • Winter