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San Jacinto lupine

Lupinus hyacinthinus

San Jacinto lupine is a hairy perennial herb of dry mountain slopes and pine forests in southern California and northern Baja California, grown mainly for its purple-blue flower spikes. Its key to success is well-drained soil and full sun, as it dislikes wet roots.

Family
Fabaceae (Pea & bean family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water deeply but infrequently once established, letting soil dry between waterings; avoid soggy soil.
Soil
Sandy or gritty, well-drained soil; poor soil is fine.
Temperature
10–30 °C; tolerates cool winters and brief light frost
How easy
Moderate
Native range
S. California to Mexico (N. Baja California)
Climate
desert or dry shrubland

About

Lupinus hyacinthinus is a species of lupine known by the common name San Jacinto lupine. It is native to the mountains of southern California and adjacent Baja California, where it grows in dry areas, often in pine forests.

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 hyacinthinus 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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