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Hairy bigleaf lupine

Lupinus prunophilus

Hairy bigleaf lupine
Photo: Matt Berger https://www.inaturalist.org/people/sheriff_woody_pct, CC BY 4.0

Hairy bigleaf lupine is a hardy herbaceous perennial native to the mountains and basins of the western United States, grown mainly as a wildflower for its spikes of blue-purple pea flowers. It is most at home in full sun with well-drained soil and cool conditions.

Family
Fabaceae (Pea & bean family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water deeply but infrequently, letting the soil dry between waterings; avoid soggy roots.
Soil
Well-drained, gritty or sandy soil; tolerates poor, dry soil.
Temperature
Hardy in cold winters; comfortable in cool to warm summers, roughly -20 to 30 °C.
How easy
Moderate
Safety
Toxic: Seeds and other parts of lupines contain quinolizidine alkaloids that can cause illness if eaten in quantity.
Native range
W. & WC. U.S.A.
Climate
temperate

About

Lupinus prunophilus, commonly known as the hairy bigleaf lupine or chokecherry lupin, is a medium-sized herbaceous plant that grows in the Great Basin and other parts of the western United States between the Sierra Nevada and the Rockies. Some botanists consider it a subspecies of L. polyphyllus.

Where it grows

The native range is the interior of the western United States including the states of California, Colorado, Idaho, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming. In the Southern Rocky Mountains, it is rarely found in New Mexico, being more often found in Wyoming and the western slope in Colorado. It is found in many places in Idaho, Nevada, and Utah, but is restricted to eastern areas of California, Washington, and Oregon. There are also a few records of it being found in Montana, but its status there is uncertain.

Other Lupinus plants

Drew's silky lupine · Fleshy lupine · Lupinus albert-smithianus · Sicklekeel lupine · Silver lupine · White Lupin · Lupinus alopecuroides · Lupinus amandus · Lupinus anatolicus · Anderson's lupine · Narrowflower lupine · Narrowleaf lupine

Text excerpted from the Wikipedia article Lupinus prunophilus 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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