How much sun does Silverleaf phacelia need?

Silverleaf phacelia grows best in full sun conditions.

When does Silverleaf phacelia bloom?

Silverleaf phacelia blooms in May, June, and July.

Where is Silverleaf phacelia native?

Silverleaf phacelia (Phacelia hastata) is native to CA, CO, ID, MT and 8 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does Silverleaf phacelia attract?

Silverleaf phacelia draws native bees.

Silverleaf phacelia

Name: Pollinator Patch
Author: Pollinator Patch

Phacelia hastata

Last reviewed: October 2026

Silverleaf phacelia (Phacelia hastata) is a perennial forb native to CA, CO, ID, MT and 8 more states. It blooms in May, June, and July. The flowers draw native bees.

Toxicity unknown

Silverleaf phacelia (Phacelia hastata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

6"–18" H × 8"–14" W

Bloom

May, Jun, Jul

Native to

CA, CO, ID, MT and 8 more states

Pollinators

native bees

Before you buy

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Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 458 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Northwestern Forested Mountains Sierra Nevada Central California Foothills and Coastal Mountains Southern California Mountains North American Deserts Central Basin and Range Mojave Basin and Range Southern Rockies High Plains Northwestern Glaciated Plains Northwestern Great Plains

A perennial forb with silvery, hairy, lance-shaped leaves and coiled clusters of small, pale lavender to white flowers that unfurl as they open. Grows on dry, rocky slopes and open ground.

Growing Silverleaf phacelia

Grow Silverleaf phacelia in full sun and low water. Mature plants reach 6 to 18 inches tall and spread 8 to 14 inches wide.

Wildlife value

The coiled flower clusters are a strong draw for native bees, including several species that specialize in foraging on Phacelia.

Common questions

How much sun does Silverleaf phacelia need?: Silverleaf phacelia grows best in full sun conditions.
When does Silverleaf phacelia bloom?: Silverleaf phacelia blooms in May, June, and July.
Where is Silverleaf phacelia native?: Silverleaf phacelia (Phacelia hastata) is native to CA, CO, ID, MT and 8 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Silverleaf phacelia attract?: Silverleaf phacelia draws native bees.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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Ready to grow Silverleaf phacelia? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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