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Rawhide HIll onion

Allium tuolumnense

Rawhide HIll onion
Photo: Stan Shebs (talk · contribs), CC BY-SA 3.0

Rawhide Hill onion is a rare wild onion endemic to a small area of Tuolumne County, California, growing from a small bulb on serpentine soils. Grow it in very well-drained, mineral-rich soil in full sun, and keep it dry in summer as it would be in its native habitat.

Family
Amaryllidaceae (Daffodil & onion family)
Grows as
Bulb
Light
Full sun
Water
Water moderately in the growing season and keep dry while dormant in summer.
Soil
Very well-drained, gritty or serpentine-type soil; avoid heavy wet clay.
Temperature
Tolerates cool winters and hot dry summers; frost hardy, roughly -10 °C or colder, depending on the bulb.
How easy
Moderate
Edible
Yes, some parts
Native range
C. California (Tuolumne Co.)
Climate
temperate

About

Allium tuolumnense is a rare species of wild onion, known by the common name Rawhide Hill onion.

It is endemic to Tuolumne County, California, where it is known only from a small section of the Sierra Nevada foothills at Rawhide Hill and the Red Hills. It is a plant of serpentine soils.

Other Allium plants

South Idaho onion · Abrams' allium · Allium aciphyllum · Tapertip onion · Allium aeginiense · Allium aflatunense · Allium agrigentinum · Allium alabasicum · Allium albotunicatum · Allium alibile · Altai Onion · Allium altissimum

Text excerpted from the Wikipedia article Allium tuolumnense 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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