Hansen's Northwest Native Plant Database

Ceanothus integerrimus (Deerbrush, Mountain Lilac)


 Plantae – Plants


 Tracheobionta – Vascular plants


 Spermatophyta – Seed plants


 Magnoliophyta – Flowering plants


 Magnoliopsida – Dicotyledons






 Rhamnaceae – Buckthorn family


 Ceanothus L. – ceanothus


 Ceanothus integerrimus Hook. & Arn. – deerbrush

A most beautiful 6-15’ shrub for large groupings.

The late spring lilac-like flower clusters are found in shades of white, blue, lavender, and occasionally pink.

A truly drought tolerant plant which requires very little water once established but demands good drainage and part to full sun exposure.

It is found growing in southern Washington, Oregon, west of the Cascade Mountains in California and even desert regions of New Mexico and Arizona. Deerbrush is cold hardy to USDA zones 5-9 but will handle temperatures as low as -10F in a perfect cultural environment.

It is a semi-deciduous open shrub with large glossy leaves that can act as an evergreen at lower elevations and completely deciduous in high elevations.

It is a wonderful shrub for mass planting on dry banks, and though the deer will nibble, planting several will likely assure survival.

For a short comparison of northwest native ceanothus, click here.

Photo at lower right by Dawn Endico, Menlo Park, CA

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