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Cuneate Ceanothus

Ceanothus cuneatus

Last reviewed: September 2026

Ceanothus cuneatus is an evergreen shrub found on dry, sunny slopes and chaparral, blooming with white to pale blue flowers from March through May.

Cuneate Ceanothus (Ceanothus cuneatus)
Photo: (c) Tom Wainwright, some rights reserved (CC BY)

Cuneate Ceanothus (Ceanothus cuneatus) 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.

The USDA PLANTS Database (opens in new tab) does not flag Cuneate Ceanothus as toxic to livestock.

Light

full sun

Water

low

Size

24"–120" H × 24"–120" W

Bloom

Mar, Apr, May

Native to

CA, OR

Pollinators

bees, butterflies, moths

Before you buy

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Ceanothus cuneatus is a native evergreen shrub with dense, leathery foliage and profuse clusters of white to pale blue flowers in spring. It's drought tolerant once established and can grow quite large, reaching up to 10 feet in both height and width.

Growing Cuneate Ceanothus

Grow Cuneate Ceanothus in full sun and low water. Mature plants reach 24 to 120 inches tall and spread 24 to 120 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

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In an HOA neighborhood

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

Works well in: foundation, mid zone.

  • Can grow quite large if not maintained
  • May look too wild/natural for formal HOA landscapes without regular pruning
  • Less tidy appearance than non-native ornamental shrubs

Wildlife value

Host plant for pale swallowtail butterfly, echo blue butterfly.

This shrub provides excellent habitat for native bees and butterflies, with its abundant spring blooms attracting numerous pollinators. Several butterfly species use it as a larval host plant.

Common questions

When does Ceanothus cuneatus bloom?
Ceanothus cuneatus typically flowers from March through May, with small white to pale blue blooms clustered along the stems.
What growing conditions does Ceanothus cuneatus need?
This shrub does best in full sun with low water once established, reflecting its background on dry, well-drained slopes and chaparral.
Is Ceanothus cuneatus evergreen or deciduous?
It is evergreen, keeping its small, leathery leaves year round rather than dropping them seasonally.
What pollinators visit Ceanothus cuneatus flowers?
Its flowers attract bees, butterflies, and moths, making it a useful nectar source in dry shrubland gardens.
Is Cuneate Ceanothus toxic to dogs?
Cuneate Ceanothus is not flagged as toxic to dogs by Plants For A Future (PFAF). This verdict does not come from the ASPCA.
Is Cuneate Ceanothus toxic to cats?
Cuneate Ceanothus is not flagged as toxic to cats by Plants For A Future (PFAF). This verdict does not come from the ASPCA.
Is Cuneate Ceanothus toxic to livestock?
The USDA PLANTS Database does not flag Cuneate Ceanothus as toxic to livestock.
Is Cuneate Ceanothus HOA-friendly?
Cuneate Ceanothus 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.

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 Cuneate Ceanothus? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.