Sisyrinchium idahoense, Blue-eyed grass, Pacific Northwest Native Plants, Oregon, Sparrowhawk Native Plants
Sisyrinchium idahoense, Blue-eyed grass, Pacific Northwest Native Plants, Oregon, Sparrowhawk Native Plants

Blue-eyed Grass

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Sisyrinchium idahoense var. idahoense

  • Size at maturity: 8-12" tall, 6-12" wide
  • Canopy layer: groundcover
  • Light requirements: full sun, part-sun/part-shade
  • Moisture requirements: moist to wet soil
  • Growth rate: medium
  • Special features: 

This plant is not a true grass but has a grass-like appearance as it is low-growing with long, thin leaves. They often grow on grasslands and resemble iris, a close relative. The flower is a deep bluish-purple to blue-violet and rarely white. The fruit is a dry dark or pale-brown capsule with one to several seeds in a locule. It blooms from March to May and is quite variable. (EMSWCD, 2019)

Photo Credit 1: "Sisyrinchium idahoense" by Matt Lavin is licensed under CC BY-SA 2.0

Photo Credit 2: "Sisyrinchium idahoense" by Matt Lavin is licensed under CC BY-SA 2.0