Theodore Payne California Native Plant Database

Lupinus truncatus

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Species Name: Lupinus truncatus
Common Name: Collared Annual Lupine

Native to the coastal mountain ranges and canyons of Baja California and California as far north as the San Francisco Bay Area. It grows in slope habitat such as chaparral and woodland, including areas that have recently burned. Caution: seeds, leaves and stems are toxic.

Plant Family: Fabaceae
Plant Type: Annual
Height by Width: 12-18 in H x 12 in W
Growth Habit: Upright
Deciduous/Evergreen: Evergreen
Growth Rate: Fast
Sun Exposure: Full to part sun
Soil Preference: Well-draining, rocky
Water Requirements: Drought-tolerant to occasional
Cold Hardy to: 15 degrees F
Flower Season: Spring/Summer
Flower Color: Wings magenta, banner spot yellowish, becoming dark magenta
Endangered?: Not listed
Distribution: Common. Central and Southern Central Western California, Southwestern California. Also found in Baja California
Natural Habitat: Openings in chaparral or woodlands and burn areas to 3000 feet

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