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California phacelia

Phacelia californica

California phacelia
Photo: tomhilton, CC BY 2.0

California phacelia is a native perennial wildflower of coastal northern California and Oregon, grown for its curling clusters of small bell-shaped blue to white flowers that feed pollinators such as the Mission blue butterfly. It is grown mainly as a garden or native-planting plant rather than a houseplant, and it does best in well-drained soil with sun and modest water.

Family
Hydrophyllaceae (Hydrophyll family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water sparingly once established, allowing the soil to dry between waterings, and avoid soggy ground.
Soil
Well-drained, sandy or loamy soil; tolerates poor soil.
Temperature
10–30 °C; hardy to about -5 °C.
How easy
Easy
Native range
Oregon to W. California
Climate
temperate

About

Phacelia californica is a species of phacelia known by the common names California phacelia and California scorpionweed. It is native to coastal northern California and Oregon, where it grows in chaparral, woodland, and coastal bluffs and grassland.

It is a perennial herb growing decumbent or erect, its branching stems reaching up to 90 centimeters (35 in) long. It is roughly hairy in texture. The leaves are up to 20 centimeters (8 in) long, the lower ones divided into several leaflets. The dense, hairy inflorescence is a one-sided curving or coiling cyme of many bell-shaped flowers. Each white or pale blue to lavender flower is under 1 centimeter (1⁄3 in) wide.

Other Phacelia plants

Desertbells · Wild canterbury bells · Lacy phacelia · Scorpionweed

Text excerpted from the Wikipedia article Phacelia californica 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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