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Spineless horsebrush

Tetradymia canescens

Also called Gray horse-brush, Spineless horse-brush, Gray horsebrush, Common Horshbrush, Grey Horsebrush

Spineless horsebrush
Photo: Walter Siegmund (talk), CC BY-SA 4.0

Spineless horsebrush is a bushy, woolly-stemmed shrub of western North American deserts, sagebrush scrub and open woodland, with pale yellow flowers from May to October. It is tough and fire-tolerant, and the key to growing it is full sun and very good drainage.

Family
Asteraceae (Daisy family)
Light
Full sun
Water
Water sparingly once established; let the soil dry out fully between waterings.
Soil
Sandy or gravelly, fast-draining soil; poor soil is fine.
Temperature
Hardy in cold winters; protect young plants from prolonged frost and extreme heat.
How easy
Moderate
Safety
Toxic
Native range
W. Canada to W. & WC. U.S.A.

About

Tetradymia argyraea is a species of flowering plant in the aster family known by the common names spineless horsebrush and gray horsebrush. It is native to western North America.

Where it grows

The range of Tetradymia argyraea is primarily east of the Cascade Range and Sierra Nevada of British Columbia to California. It extends eastward to southwest Montana, Wyoming, western Colorado and northwest New Mexico, where it grows in sagebrush scrub, woodlands, forest, scrubby open plains, and other habitat. It occupies a large range of elevations from near sea level to 3,400 m (11,000 ft) but favors the range of 1,500–2,700 metres (5,000–9,000 ft).

Other Tetradymia plants

Littleleaf horsebrush

Text excerpted from the Wikipedia article Tetradymia canescens 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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