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Snowbrush Ceanothus

Ceanothus velutinus, Rhamnaceae

Zones
4–8
Layer
Shrub
Lifespan
Perennial
Growth
Fast

Guild Roles

Nitrogen FixerPollinator AttractorBeneficial Insect HabitatMulch Maker

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

5.5 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Oval-leaf HuckleberryVaccinium ovalifolium
Nitrogen FixationBeneficial Insect Habitat
Red HuckleberryVaccinium parvifolium
Nitrogen FixationNurse Plant

Antagonistic Plants

Ponderosa PinePinus ponderosa

Snowbrush ceanothus and ponderosa pine may compete for light and space, especially during pine establishment phases

Hairy Golden AsterHeterotheca villosa

Ceanothus species are known for allelopathic compounds that inhibit herbaceous plants and competing shrubs

Uses

Functions

Nitrogen FixationSoil ImprovementErosion ControlFire Recovery

Medicinal Uses

Respiratory AilmentsSkin Conditions

Common Questions

What zones does Snowbrush Ceanothus grow in?

Snowbrush Ceanothus grows in USDA hardiness zones 4 through 8.

Is Snowbrush Ceanothus a nitrogen fixer?

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

What are good companion plants for Snowbrush Ceanothus?

Good companions for Snowbrush Ceanothus include Oval-leaf Huckleberry, Red Huckleberry.

Design guilds with Snowbrush Ceanothus and see companion relationships visually.

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