When does California Phacelia bloom?

California Phacelia generally flowers from March through June, with exact timing depending on local rainfall and elevation.

What growing conditions does California Phacelia need?

It does best in full sun with low water once established, in well-drained soil that mimics the dry coastal slopes and scrublands where it is often found.

What insects visit California Phacelia flowers?

Bees and butterflies are the most common visitors, drawn to the clusters of small tubular flowers.

Is California Phacelia a shrub or a groundcover?

It grows as an herbaceous to slightly woody-based forb rather than a true shrub, forming low clumps or sprawling mounds.

Is California Phacelia toxic to dogs?

California Phacelia is not flagged as toxic to dogs by Plants For A Future (PFAF). This verdict does not come from the ASPCA.

Is California Phacelia toxic to cats?

California Phacelia is not flagged as toxic to cats by Plants For A Future (PFAF). This verdict does not come from the ASPCA.

Is California Phacelia HOA-friendly?

California Phacelia is generally an HOA-friendly choice in the right placement, with moderate maintenance.

California Phacelia

Name: Pollinator Patch
Author: Pollinator Patch

Phacelia californica

Last reviewed: August 2026

Phacelia californica is a perennial forb with lavender to purple flowers that bloom from March through June. It favors full sun and low water, thriving in dry, well-drained soils along coastal bluffs and scrublands in California and Oregon.

California Phacelia (Phacelia californica) is not flagged as toxic to dogs or cats by Plants For A Future (PFAF) (opens in new tab) (last reviewed 2026-05-21). This verdict does not come from the ASPCA. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

6"–24" H × 6"–12" W

Bloom

Mar, Apr, May, Jun

Native to

CA, OR

Pollinators

bees, butterflies

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Browse plants for this ecoregion

Coast Range Sierra Nevada Central California Foothills and Coastal Mountains Southern California Mountains

California phacelia is a low-growing native wildflower with fuzzy, gray-green foliage and lovely lavender-blue flower clusters. It blooms profusely in spring through early summer, forming an attractive ground cover or border plant that requires minimal water once established.

Growing California Phacelia

Grow California Phacelia in full sun and low water. Mature plants reach 6 to 24 inches tall and spread 6 to 12 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

California Phacelia is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 3 out of 5.

Works well in: foundation, mid zone.

Annual nature means seasonal appearance changes
May look untidy after blooming period
Could appear too informal for front-yard focal areas

Wildlife value

Highly attractive to native bees and butterflies as an important nectar source. The abundant blooms support diverse pollinator species during its flowering period.

Common questions

When does California Phacelia bloom?: California Phacelia generally flowers from March through June, with exact timing depending on local rainfall and elevation.
What growing conditions does California Phacelia need?: It does best in full sun with low water once established, in well-drained soil that mimics the dry coastal slopes and scrublands where it is often found.
What insects visit California Phacelia flowers?: Bees and butterflies are the most common visitors, drawn to the clusters of small tubular flowers.
Is California Phacelia a shrub or a groundcover?: It grows as an herbaceous to slightly woody-based forb rather than a true shrub, forming low clumps or sprawling mounds.
Is California Phacelia toxic to dogs?: California Phacelia is not flagged as toxic to dogs by Plants For A Future (PFAF). This verdict does not come from the ASPCA.
Is California Phacelia toxic to cats?: California Phacelia is not flagged as toxic to cats by Plants For A Future (PFAF). This verdict does not come from the ASPCA.
Is California Phacelia HOA-friendly?: California Phacelia is generally an HOA-friendly choice in the right placement, with moderate maintenance.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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