About
Allium nevadense, the Nevada onion, is a small wild onion of sandy and rocky ground across the Great Basin.
Care at a glance
- Pet safety
- Allium species are toxic to cats and dogs; eating large amounts can cause hemolytic anemia, and cats are most sensitive. General guidance for the genus
- People
- Low toxicity; eating large quantities may cause nausea, vomiting and diarrhoea. General guidance for the genus
- Light
- Full sun to light shade. General guidance for the genus
- Water
- Avoid overly damp ground; wet conditions invite bulb rot and other fungal problems. General guidance for the genus
- Soil
- Sandy or rocky, well-drained soil, as in the wild.
- Propagation
- Divide bulb offsets in spring; seed is slower and may take years to germinate. General guidance for the genus
“General guidance for the genus” marks advice sourced for the genus as a whole rather than this species.
Field notes
Morphology
A brown or grey bulb 1–1.5 cm wide, sometimes with one or two daughter bulblets, gives rise to a stem that can look very short when the bulb sits deep. The umbel holds up to 25 white or pink-streaked flowers with darker midveins.
Distribution & habitat
Widespread in Utah, Nevada and southern Idaho, with records from south-eastern California, north-western Arizona, western and central Colorado and eastern Oregon, in sand and rocky soil at 1400–1700 m.
Ecology
Occurs in sagebrush steppe.
Habitat
- Altitude
- Not recorded
- Altitude class
- —
- Native to
- United States
Cultivation
- Difficulty
- Not recorded
Text adapted from Wikipedia, CC BY-SA 4.0.
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