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Yosemite onion

Allium yosemitense

Yosemite onion
Photo: Dean Wm. Taylor, CC BY 2.0

Yosemite onion is a rare wild onion from the central Sierra Nevada of California, most of whose populations lie inside Yosemite National Park. It grows from a small bulb and is best left in its native habitat rather than collected.

Family
Amaryllidaceae (Daffodil & onion family)
Grows as
Bulb
Light
Part shade
Water
Water sparingly while in growth and keep dry when dormant.
Soil
Well-drained, gritty soil in a foothill woodland style setting.
Temperature
Tolerates cool to warm temperate conditions; hardy in mild winters.
How easy
Hard
Edible
Yes, some parts
Native range
California (C. Sierra Nevada)
Climate
temperate

About

Allium yosemitense is a California species of wild onion known by the common name Yosemite onion. Most of the known populations are situated within the boundaries of Yosemite National Park.

Where it grows

Allium yosemitense is endemic to the central Sierra Nevada of California. Populations have been recorded in three counties: El Dorado, Mariposa and Tuolumne. Most of the sites are inside Yosemite National Park.

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 yosemitense 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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