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Passey's onion

Allium passeyi

Passey's onion is a small bulbous species native to northwestern Utah, found in shallow, stony ground at 1400 to 1600 m. Grow it as a cool, dry-soiled bulb in a sunny, well-drained spot.

Family
Amaryllidaceae (Daffodil & onion family)
Grows as
Bulb
Light
Full sun
Water
Water sparingly while in growth and keep the bulbs dry once the foliage dies back in summer.
Soil
Gritty, very well-drained mineral soil or stony soil.
Temperature
Hardy to well below freezing; tolerates cold winters typical of its native high-elevation range.
How easy
Moderate
Edible
Yes, some parts
Native range
NW. Utah (Box Elder Co.)
Climate
temperate

About

Allium passeyi is a plant species endemic to Box Elder County in northwestern Utah. It grows in shallow, stony locations at elevations of 1400–1600 m.

Allium passeyi produces 2-3 round to egg-shaped bulbs, each up to 2 cm in diameter. Flowers are bell-shaped, up to 9 mm in diameter; tepals pink; pollen yellow.

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 passeyi 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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