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Wall Barley

Hordeum murinum

Also listed as Critesion murinum, Triticum murale

Also known as Mouse Barley, Way Barley, Barley Grass

grass☀️ full sun💧 low water❄ Hardy: Zone 3a – Zone 11b

Climate Match for your location

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Wall barley is a cool-season annual grass with distinctive awned seed heads that often clings to clothing and fur. It is commonly found in disturbed areas and is considered a weed in many regions.

Why grow it

Wall barley serves as a pioneer species that quickly colonizes disturbed, compacted, or marginal soils where other grasses struggle to establish. It is more cold-hardy than many annual grasses and requires minimal fertility or management once established, making it useful for temporary ground cover or erosion control on poor sites. Compared to cultivated barley varieties, wall barley is hardier but produces minimal grain and is better suited to ecological roles than food production.

Watch out for

Wall barley thrives in poor, compacted soils where other plants struggle, so it may outcompete desirable species in neglected garden areas. The barbed awns can irritate skin and eyes during handling, and may cause discomfort to pets. If you're using this plant intentionally (for erosion control or pioneer planting), be prepared to manage its self-seeding habit, as volunteer plants will readily establish in the following season.

Overview

Form
Upright
Growth Rate
fast
Size
0.5–1.5′ tall
Dormancy
deciduous
Family
Poaceae
Erosion control

Native Range

Mediterranean

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