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Baker's delphinium

Delphinium bakeri

Also called Baker's Larkspur

Baker's delphinium
Photo: Stan Shebs, CC BY-SA 3.0

Baker's larkspur is a rare, endangered California wildflower with a tuber-like root cluster and blue-purple flowers. It is not a common garden plant, and its key to growing is keeping the dormant tuber dry in summer.

Family
Ranunculaceae (Buttercup family)
Grows as
Bulb, Perennial
Light
Full sun, Part shade
Water
Water sparingly during the winter and spring growing season and keep the tuber dry in summer dormancy.
Soil
Free-draining, gritty soil with good drainage
Temperature
Hardy to mild winters in its native Mediterranean-type climate; protect from hard frost
How easy
Hard
Safety
Toxic: Larkspurs (Delphinium) contain toxic alkaloids in all parts, especially the seeds and young shoots, which can cause serious illness if eaten.
Native range
California (S. Sonoma Co.)
Climate
subtropical

About

Delphinium bakeri, or Baker's larkspur, is a species of perennial herb in the buttercup family, Ranunculaceae. It is endemic to California in the United States, where it is a federally listed endangered species. It is known in the wild from one remaining occurrence near Salmon Creek in Sonoma County, where only seven plants remained as of March 2006.

D. bakeri grows from a thickened, tuber-like, fleshy cluster of roots, to a height of 70 centimetres (28 in). The leaves occur primarily along the upper third of the stem and are green at the time the plant flowers.

Other Delphinium plants

Doubtful knight's-spur · Consolida armeniaca · Consolida oliveriana · Royal knight's-spur · Anderson's larkspur · Subalpine larkspur · Little larkspur · Musk Larkspur · California larkspur · Delphinium calthifolium · Scarlet larkspur · Carolina larkspur

Text excerpted from the Wikipedia article Delphinium bakeri 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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