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Delphinium californicum

Delphinium californicum Torr. & A. Gray

California Coast Larkspur, California Larkspur

Ranunculaceae (Buttercup Family)



USDA Native Status: L48 (N)

Stout, leafy, unbranched stems rise 2-6 ft. from a woody root system. Leaves are palmately divided 5-7 times, the division being lobed and toothed. Flower spikes are dense, up to 20 in. long, and sometimes branched in the lower portions. The showy sepals are whitish, tinged with green or lavender. The pea-like flowers are bluish-purple.


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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 3-6 ft.

Bloom Information

Bloom Color: Blue , Purple
Bloom Time: May , Jun


Native Distribution: Outer Coast Ranges from San Francisco to Monterey Cos.
Native Habitat: Moist, partly shaded ravines & slopes below 2000 ft.

Growing Conditions

Light Requirement: Part Shade
Soil Moisture: Moist
Soil Description: Moist, well drained soil.
Conditions Comments: Needs protection from snails and slugs.


Description: Sow seed.
Seed Collection: Not Available
Seed Treatment: No pretreatment is necessary.
Commercially Avail: yes

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Additional resources

USDA: Find Delphinium californicum in USDA Plants
FNA: Find Delphinium californicum in the Flora of North America (if available)
Google: Search Google for Delphinium californicum


Record Modified: 2007-01-01
Research By: TWC Staff

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