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Mountain Mahogany

Cercocarpus betuloides

Also known as Birchleaf Mountain Mahogany, California Mountain Mahogany, Birch-leaf Mahogany

shrub☀️ full sun💧 low water❄ Hardy: Zone 8a – Zone 10b

Climate Match for your location

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A drought-tolerant native shrub with small leaves and feathery seed plumes that persist ornamentally into fall. Valued for xeriscape gardens and erosion control in arid and semi-arid climates.

Why grow it

Mountain mahogany outperforms many ornamental shrubs in extremely arid, rocky sites where irrigation is impractical. Its persistent feathery seed heads offer late-season visual interest without requiring deadheading, and its dense growth habit makes it more effective than herbaceous groundcovers for slope stabilization. Unlike some xeriscape alternatives, it tolerates poor, shallow soils typical of degraded or exposed terrain.

Watch out for

Establishment can be slow, particularly in the first season after planting, so patience with growth rate is warranted. The plant's preference for excellent drainage means it may struggle in poorly amended clay soils without significant site preparation. In fire-prone regions, its dense, woody structure can accumulate dead material within the plant body, so occasional thinning may improve long-term health and reduce fire load.

Overview

Form
Spreading
Growth Rate
slow
Size
4–15′ tall × 4–15′ wide
Dormancy
deciduous
Family
Rosaceae
Nitrogen fixerErosion controlHedgerowWindbreak
Nitrogen fixer · Moderate

Native to the United States

Native Range

Southwestern United States and northern Mexico

Native to: Arizona, California, Oregon

Seasonality

Bloom Season

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

Season of Interest

SpringFall

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Companion Planting

Plants well with