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Onionweed

Asphodelus fistulosus

Also called Wild Onion, Hollow Stemmed Asphodel, Pink Asphodel, Hollow Stem Asphodel, Onion Asphodel, Asphodel, Onion Leafed Asphodel

Onionweed
Photo: Hans Hillewaert, CC BY-SA 3.0

Onionweed is an annual or short-lived perennial herb from the Mediterranean region, grown mainly as a weed. It thrives in Mediterranean-type climates and is best controlled rather than cultivated, since it is invasive in places such as the United States and Australia.

Family
Asphodelaceae (Aloe family)
Grows as
Bulb, Annual, Perennial
Light
Full sun
Water
Needs little water once established; it is drought tolerant and thrives on winter rain in Mediterranean climates.
Soil
Tolerates a wide range of soils, including poor, dry, and disturbed ground.
Temperature
Hardy in mild to warm climates; protect from hard frost.
How easy
Easy
Native range
Macaronesia, Medit. to Arabian Pen., Mauritius
Climate
subtropical

About

Asphodelus fistulosus is a species of plant known as hollow-stemmed asphodel, onionweed, onion-leafed asphodel, and pink asphodel. It is native to the Mediterranean region as well as the Arabian Peninsula, Transcaucasus, and Madeira.

It is an invasive exotic weed in the United States, with significant infestations in California, Arizona, New Mexico, and Texas. It is listed as a Federal Noxious Weed by the United States Department of Agriculture. It is also a common weed in parts of Australia, New Zealand, and Mexico, and it thrives in any area with a Mediterranean climate.

Other Asphodelus plants

Asphodelus acaulis · Summer Asphodel · White asphodel · Asphodelus ayardii · Asphodelus bakeri · Asphodelus bento-rainhae · Asphodelus lusitanicus · Asphodelus macrocarpus · Silverrod · Asphodelus roseus · Asphodelus serotinus · Annual Asphodel

Text excerpted from the Wikipedia article Asphodelus fistulosus 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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