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Barnyardgrass

Echinochloa crus-galli

Also listed as Panicum crus-galli, Echinochloa disticha

Also known as Cockspur Grass, Cockspur, Barnyard Millet

grass☀️ full sun💧💧💧 high water

Climate Match for your location

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Barnyardgrass is a fast-growing annual grass weed commonly found in wet areas, rice paddies, and disturbed sites. It produces tall seed heads and is considered a problematic invasive species in many regions.

Why grow it

Barnyardgrass is primarily of interest to permaculture practitioners as a case study in weed ecology and soil disturbance response rather than as a crop plant. It establishes rapidly in bare, wet soil and can indicate compaction or waterlogging; observing its presence may signal opportunities to improve drainage or add cover crops. Its aggressive growth habit makes it useful for understanding competitive dynamics in wet-site restoration, though better-adapted native species typically offer more targeted benefits.

Watch out for

This grass self-seeds prolifically once established, requiring close monitoring to prevent unintended spread beyond intended observation or study areas. It germinates readily in cool, moist conditions typical of spring and early summer, so timing of removal or management before seed set is critical.

Overview

Form
Upright
Growth Rate
fast
Size
1–4′ tall
Dormancy
deciduous
Family
Poaceae
biomass/mulchwildlife benefitedible

Native Range

Eastern Asia

Seasonality

Bloom Season

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

Harvest Season

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

Edible Parts

seed

Season of Interest

SummerFall

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Companion Planting

Plants well with