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UC Master Gardeners of Monterey Bay Plant Sales

Phacelia californica - Rock Phacelia

Phacelia californica - Rock Phacelia

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Phacelia californica
Common Name(s): Rock Phacelia

Pot size: Quart

Phacelia californica is native to coastal northern California and Oregon, where it grows in chaparral, woodland, and coastal bluffs and grassland habitat. It is a perennial herb growing decumbent or erect, its branching stems reaching up to 35 inches long. It is roughly hairy in texture. The dense, hairy flower cluster is a one-sided curving or coiling cyme of many bell-shaped white or pale blue to lavender flowers.

Perennial Herb

Light: Full sun, part shade
Size: Grows up to 30" tall, 24" wide.
Soil: Adaptable, well-draining. Soil PH: 5.0 - 7.0.
Water: Very low. Never irrigate once established.
Bloom: Spring and Summer
Other notes: Host to Butterflies, native bees and other pollinators. In particular, this plant is a native wildflower is a food source for the Mission blue butterfly, an endangered species endemic to San Francisco.  Bumblebees love this herb's flowers!
Uses: Native plant, Bee and Butterfly Gardens.

Photo: KD Apostolos

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