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Idaho fescue

Festuca idahoensis

Also called Blue Bunchgrass, Bluebunch Fescue

Idaho fescue
Photo: Chris Wagner, Public domain

Idaho fescue is a native North American bunchgrass that forms dense, long-lived tufts and is common in shady forests and open grasslands. It is grown as an ornamental and cultivars such as 'Siskiyou Blue' are sold for gardens.

Family
Poaceae (Grass family)
Grows as
Grass
Light
Full sun, Part shade
Water
Water deeply but infrequently once established; tolerates dry summers.
Soil
Well-drained soil, tolerant of poor or rocky ground.
Temperature
Hardy in cold winters; suited to temperate climates.
How easy
Easy
Safety
Not known to be toxic
Native range
W. Canada to W. & WC. U.S.A.
Climate
temperate

About

Festuca idahoensis is a species of grass known by the common names Idaho fescue and blue bunchgrass. It is native to western North America, where it is widespread and common. It can be found in many ecosystems, from shady forests to open plains grasslands.

How to grow it

Cultivars, such as "Siskiyou Blue," are produced in the horticulture industry for landscape design and garden use.

Where it grows

The species can grow in well-soiled areas along with ponderosa pine.

Other Festuca plants

California fescue · Spiky Fescue · Blue Fescue · Sheep fescue · Lolium pratense · Fescue · Red fescue · Furrowed Fescue · Fescue · Festuca incurva

Text excerpted from the Wikipedia article Festuca idahoensis 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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