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Deergrass

Muhlenbergia rigens

Also listed as Epicampes rigens, Muhlenbergia marshii

Also known as American Deergrass

grass☀️ full sun💧 low water❄ Hardy: Zone 7a – Zone 11b

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A graceful native California bunchgrass with fine, upright foliage that turns bronze in fall and holds color through winter. Extremely drought-tolerant once established, requiring minimal water and maintenance.

Why grow it

Deergrass outperforms many native bunchgrasses in low-water landscapes where fine texture and winter color are valued. Compared to similar species like purple needlegrass, it tolerates poor soils more broadly and establishes faster, making it useful for erosion control on slopes and in restoration plantings across California's Mediterranean climate zones.

Watch out for

Young plants benefit from consistent moisture during their first growing season to develop a strong root system; establishment takes longer than some ornamental grasses. In areas with regular summer water, foliage can become lush and floppy rather than maintaining its characteristic upright form.

Overview

Form
upright clumping
Growth Rate
moderate
Size
2–4.5′ tall × 2–3′ wide
Dormancy
evergreen
Family
Poaceae
biomass/mulcherosion control

Native to the United States

Native Range

California, Arizona, Mexico

Native to: Arizona, California, New Mexico, Nevada, Texas

Seasonality

Season of Interest

SummerFallWinter

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Companion Planting

Plants well with