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Tehachapi buckwheat

Eriogonum callistum

Tehachapi buckwheat
Photo: Steve Matson, CC BY 4.0

Tehachapi buckwheat is a rare, woolly-leaved wild perennial from the Tehachapi Mountains of Kern County, California, forming a low mat on a woody base. It is a native of rocky limestone chaparral and is seldom grown outside its range, so care depends on mimicking dry, sunny, well-drained native conditions.

Family
Polygonaceae (Buckwheat family)
Light
Full sun
Water
Water sparingly once established; let the soil dry out fully between waterings.
Soil
Very well-drained, gritty or rocky limestone-type mix.
Temperature
Tolerates cool winters and hot dry summers; protect from prolonged frost and waterlogging.
How easy
Moderate
Native range
California (Kern Co.)
Climate
temperate

About

Eriogonum callistum is a rare species of wild buckwheat, known by the common name Tehachapi buckwheat.

Where it grows

The perennial herb is endemic to California, found only in the southwestern Tehachapi Mountains, in Kern County, Southern California. There are an estimated 2000 individuals in existence, in several sites on the eastern Tejon Ranch, between Castaic Lake and the Antelope Valley. It is found on the Tejon Ranch.

Other Eriogonum plants

Abert's buckwheat · Winged buckwheat · Shale barren buckwheat · Trinity buckwheat · Mono buckwheat · Anglestem buckwheat · San Jacinto buckwheat · Ione buckwheat · Santa Cruz Island buckwheat · Clay buckwheat · Sulphur Hot Springs buckwheat · Bailey's buckwheat

Text excerpted from the Wikipedia article Eriogonum callistum 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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