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Milkvetch

Astragalus

Also called Locoweed, Milk Vetch, Milk Vetches, Milkvetches

Milkvetch
Photo: Ciar, Public domain

Astragalus is a very large genus of over 3,000 herbs and small shrubs in the pea family, mostly native to temperate Northern Hemisphere regions, with both annual and perennial species. Most grown forms are hardy perennials that need full sun and well-drained soil, as species vary widely in their needs.

Family
Fabaceae (Pea & bean family)
Grows as
Climber
Light
Full sun
Water
Water sparingly once established, letting the soil dry out between waterings.
Soil
Well-drained, sandy or gritty soil; tolerates poor and alkaline soil.
Temperature
Hardy in cool temperate climates; protect tender species below about -5 °C.
How easy
Easy
Safety
Toxic: Many species, especially those called locoweed, contain toxins that can cause poisoning if eaten, and some accumulate selenium.
Edible
Yes, some parts

About

Astragalus is a large genus of over 3,000 species of herbs and small shrubs, belonging to the legume family Fabaceae and the subfamily Faboideae. It is the largest genus of plants in terms of described species. The genus is native to temperate regions of the Northern Hemisphere. Common names include milkvetch (most species), locoweed (in North America, some species) and goat's-thorn (A. gummifer, A. tragacantha). Some pale-flowered vetches (Vicia spp.) are similar in appearance, but they are more vine-like than Astragalus.

Where it grows

Astragalus species are used as food plants by the larvae of some Lepidoptera species including many case-bearing moths of the genus Coleophora: C. cartilaginella, C. colutella, C. euryaula, and C. onobrychiella feed exclusively on Astragalus, C. astragalella and C. gallipennella feed exclusively on the species Astragalus glycyphyllos, and C. hippodromica is limited to Astragalus gombo.

Other Astragalus plants

Chickpea milkvetch · Groundplum milkvetch · Yellow Alpine Milkvetch · Licorice milkvetch · Gum tragacanth milkvetch · Freckled milkvetch · Mongolian Milkvetch · Woollypod milkvetch · Marsh milkvetch · Cream milkvetch · Astragalus sarcocolla · Chinese milk-vetch

Text excerpted from the Wikipedia article Astragalus (plant) 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.

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