When does Cardamine californica bloom?

American Milkmaids typically blooms from March through May, producing clusters of small white flowers.

What pollinators visit Cardamine californica?

This native wildflower attracts bees and flies as its primary pollinators during its spring blooming period.

Where is Cardamine californica native?

American Milkmaids is native to California, Montana, Oregon, and Washington, typically growing in moist, shaded woodland areas.

What growing conditions does Cardamine californica prefer?

This plant thrives in partial shade to shade with medium to high moisture levels, making it well-suited for woodland gardens.

Is American Milkmaids HOA-friendly?

American Milkmaids takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

American Milkmaids

Name: Pollinator Patch
Author: Pollinator Patch

Cardamine californica

Last reviewed: June 2026

Cardamine californica (American Milkmaids) is a native wildflower found in California, Montana, Oregon, and Washington that blooms with small white flowers from March through May in partially shaded areas.

American Milkmaids (Cardamine californica) — Photo: (c) dloarie, some rights reserved (CC BY), uploaded by dloarie

Light

part shade

Water

medium

Size

6"–12" H × 4"–8" W

Bloom

Mar, Apr, May

Native to

CA, MT, OR, WA

Pollinators

bees, flies

Browse plants for this ecoregion

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

Cardamine californica is a delicate spring wildflower that produces small white or pale pink flowers from March through May. This low-growing perennial forms compact clumps with attractive foliage and thrives in partially shaded areas with consistent moisture.

Growing American Milkmaids

Grow American Milkmaids in part shade and medium water. Mature plants reach 6 to 12 inches tall and spread 4 to 8 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

American Milkmaids takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Very small stature may appear weedy
Goes dormant after blooming leaving bare spots
Wildflower appearance not typical landscaping

Wildlife value

The early spring blooms provide important nectar for bees and flies when few other flowers are available. This makes it valuable for supporting pollinators during the critical early season period.

Common questions

When does Cardamine californica bloom?: American Milkmaids typically blooms from March through May, producing clusters of small white flowers.
What pollinators visit Cardamine californica?: This native wildflower attracts bees and flies as its primary pollinators during its spring blooming period.
Where is Cardamine californica native?: American Milkmaids is native to California, Montana, Oregon, and Washington, typically growing in moist, shaded woodland areas.
What growing conditions does Cardamine californica prefer?: This plant thrives in partial shade to shade with medium to high moisture levels, making it well-suited for woodland gardens.
Is American Milkmaids HOA-friendly?: American Milkmaids takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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

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