Hansen's Northwest Native Plant Database


Ceanothus integerrimus (Deerbrush, Mountain Lilac)

Kingdom

 Plantae – Plants

Subkingdom

 Tracheobionta – Vascular plants

Superdivision

 Spermatophyta – Seed plants

Division

 Magnoliophyta – Flowering plants

Class

 Magnoliopsida – Dicotyledons

Subclass

 Rosidae

Order

 Rhamnales

Family

 Rhamnaceae – Buckthorn family

Genus

 Ceanothus L. – ceanothus

Species

 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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