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Allium siskiyouense
Siskiyou onion is a small wild onion native to the Klamath Mountains of northern California and southwestern Oregon, growing from a tiny bulb in rocky serpentine soils. It needs excellent drainage, full sun and a dry resting period, so it is best grown as a specialist rock garden or alpine-style plant.
Allium siskiyouense is a North American species of wild onion known by the common name Siskiyou onion. It is native to the Klamath Mountains and nearby ranges of northern California and Oregon. It grows in serpentine and other rocky soil types.
This small onion plant grows from a reddish-brown bulb 1 or 2 cm (1⁄3 or 2⁄3 in) long. It produces a short stem no more than 8 cm (3 in) long and two sickle-shaped leaves which are usually longer. The inflorescence contains up to about 35 flowers, each with dark-veined pink tepals around 1 cm (1⁄3 in) long and sometimes toothed at the tips.
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 siskiyouense 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.
