Penstemon rupicola - Gifford Pinchot form


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Seed-grown from a collection in the Indian Heaven area of Gifford Pinchot National Forest in the southern Cascade Mts of Washington. Surely one of our favorite Penstemon, this has glaucous, rounded leaves on creeping mats with pink flowers that just lovely. This requires a rock garden, trough or crevice garden as it needs a lean and gritty, mineral soil with excellent drainage. This is a mountain plant and hot humidity both days and nights are fatal. Just sayin'. Loving it here in Port Townsend!


Plant Type

  • Perennial / Bulb

Mature Size


Hardiness Zones

  • Zone 4a (-30 °F)
  • Zone 4b (-25 °F)
  • Zone 5a (-20 °F)
  • Zone 5b (-15 °F)
  • Zone 6a (-10 °F)
  • Zone 6b (-5 °F)
  • Zone 7a (0 °F)
  • Zone 7b (5 °F)
  • Zone 8a (10 °F)
  • Zone 8b (15 °F)

Sun Exposure

  • Full Sun

Water Needs

  • Moderate
  • Dry

Bloom Time

  • Spring
  • Deer Resistant Plants