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Desert thorn-apple

Datura discolor

Desert thorn-apple
Photo: Neelix at English Wikipedia, Public domain

Desert thorn-apple is an upright or low-lying annual herb from the Sonoran Desert, grown for its large, night-opening trumpet flowers. It needs full sun, sandy well-drained soil and shelter from heavy rain.

Family
Solanaceae (Nightshade family)
Grows as
Annual
Light
Full sun
Water
Water sparingly and let the soil dry out between waterings, as it is adapted to desert washes.
Soil
Sandy or gravelly, well-drained soil.
Temperature
Warm conditions suited to subtropical and desert climates; frost will kill it.
How easy
Easy
Safety
Toxic: All parts contain alkaloids that can be fatal if ingested in sufficient amounts.
Native range
California to Arizona and Honduras
Climate
subtropical

About

Datura discolor, also called the desert thorn-apple, is an herbaceous annual plant native to the Sonoran Desert of western North America, where it grows in sandy soils and washes. All parts of the plant contain a mix of alkaloids that are potentially lethal when enough is ingested.

Safety

All parts of Datura plants contain dangerous levels of poison and may be fatal if ingested by humans or other animals, including livestock and pets. In some places it is illegal to buy, sell or cultivate Datura plants.

Other Datura plants

Pricklyburr · Sacred Thorn Apple · Fireweed · Thorn-apple · Sacred thorn-apple · Jimsonweed

Text excerpted from the Wikipedia article Datura discolor 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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