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Pale blue-eyed grass

Sisyrinchium pallidum

Pale blue-eyed grass
Photo: Matt Berger https://www.inaturalist.org/people/sheriff_woody_pct, CC BY 4.0

Pale blue-eyed grass is a small grass-like perennial native to constantly wet meadows and fens at high elevations in Colorado and Wyoming. It is rare, so it is mostly grown in native or bog gardens, and it needs consistently moist, poorly drained conditions.

Family
Iridaceae (Iris family)
Grows as
Grass
Light
Full sun, Part shade
Water
Keep the soil constantly moist and never let it dry out.
Soil
Moist, poorly drained, organic-rich soil or a bog-style mix.
Temperature
Cold-hardy to subarctic conditions; protect from prolonged heat above about 30 °C.
How easy
Hard
Native range
Wyoming, Colorado
Climate
subalpine or subarctic

About

Sisyrinchium pallidum, more commonly known as pale blue-eyed grass, is a species of blue-eyed grass in the iris family. It is a small plant that lacks woody parts and grows in constantly wet meadows and fens in the mountains of Colorado and Wyoming. It is a rare species and is vulnerable to development of its required habitat type.

Where it grows

Sisyrinchium pallidum is a regional endemic limited to rare habitats in the northern mountains of Colorado and southeastern Wyoming. In Colorado it grows in Larimer and Park counties. In Wyoming it grows in Albany County. It grows at elevations of 2,600 to 3,000 meters (8,500 to 9,800 ft).

Other Sisyrinchium plants

White blue-eyed grass · Sisyrinchium albilapidense · Narrowleaf blue-eyed grass · Eastern blue-eyed grass · Western blue-eyed grass · Blue Eyed Grass · Golden blue-eyed grass · Prairie blue-eyed grass · Stiff blue-eyed grass · Wishbone blue-eyed grass · Elmer's blue-eyed grass · Funeral Mountain blue-eyed grass

Text excerpted from the Wikipedia article Sisyrinchium pallidum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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