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Chamise

Adenostoma fasciculatum

shrub☀️ full sun💧 low water❄ Hardy: Zone 10a – Zone 10b

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A dense, fine-textured California native shrub with tiny needle-like leaves and small white flowers in late spring. Extremely drought-tolerant and fire-resistant once established.

Why grow it

Chamise establishes quickly in nutrient-poor, well-drained soils where many ornamental shrubs falter, making it useful for erosion control and slope stabilization in xeric California gardens. Among native shrubs with similar fire ecology, its fine texture and dense habit offer finer visual refinement than coarser manzanitas or ceanothus, though it flowers less dramatically than many alternatives. It requires minimal water and inputs once established, suiting low-maintenance designs.

Watch out for

Young plants benefit from supplemental water during establishment; drought hardiness applies mainly to mature specimens. Chamise can spread vigorously in favorable conditions and may dominate understory plantings if not monitored, particularly in the coastal chaparral where it naturally outcompetes other species. Pruning is difficult once woody and is best avoided after plants mature.

Overview

Form
Upright
Growth Rate
moderate
Size
4–10′ tall × 4–9′ wide
Dormancy
evergreen
Family
Rosaceae
biomass/mulcherosion control
Coppicing

Native to the United States

Native Range

California native

Native to: California

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummer

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Companion Planting

Plants well with