Deerbrush

Ceanothus integerrimus, Rhamnaceae

Zones

6–10

Layer

Shrub

Lifespan

Perennial

Growth

Fast

Guild Roles

Nitrogen FixerPollinator AttractorBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Sickle-keel LupineLupinus albicaulis

Nitrogen FixationNurse PlantShade Provision

Roundleaf SnowberrySymphoricarpos rotundifolius

Beneficial Insect HabitatNurse Plant

Foothill PenstemonPenstemon heterophyllus

Nitrogen FixationShade Provision

Sierra Mountain MintPycnanthemum californicum

Nitrogen FixationPest Deterrent

Desert SweetChamaebatiaria millefolium

Nitrogen FixationNurse Plant

Uses

Functions

Fixes Atmospheric NitrogenAttracts Native Mason BeesSupports Beneficial Predatory BeetlesHosts Parasitic WaspsProvides Early Season Nectar

Medicinal Uses

Respiratory ConditionsSkin Wash

Common Questions

What zones does Deerbrush grow in?

Deerbrush grows in USDA hardiness zones 6 through 10.

Is Deerbrush a nitrogen fixer?

Yes, Deerbrush is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Deerbrush?

Good companions for Deerbrush include Sickle-keel Lupine, Roundleaf Snowberry, Foothill Penstemon, Sierra Mountain Mint, Desert Sweet.

Design guilds with Deerbrush and see companion relationships visually.

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