Barnyard Grass
Echinochloa crus-galli · Warm-season, Annual, C4
AI-generated identification · may be incorrect
Grass Category
Invasive/Weed Grass, Pasture/Forage, Wetland/Riparian
Hardiness Zones
USDA Hardiness Zones 3-10, sensitive to frost, acts as a summer annual completing its life cycle in one season.
Grass Family
Poaceae, subfamily Panicoideae
Variety / Cultivar
Wild type / Standard species
About This Grass
An aggressive summer annual grass with coarse, flat blades and branching panicle seed heads featuring spikelets crowded with stiff bristles, growing anywhere from 1 to 5 feet tall.
Blade Characteristics
Coarse texture, blades generally 4-15 mm wide, flat, smooth to slightly rough, pointed tips, rolled vernation in the bud, lack ligules and auricles.
Root System
Fibrous, moderately deep root system, lacks rhizomes or stolons, fast establishment, poor drought tolerance under severe stress.
Growing Information
Origin Region
Native to tropical and temperate Asia and Europe; now widely naturalized globally in agricultural and disturbed soils.
Growth Habit
Bunch-type (clump-forming annual), upright to spreading, reproduces exclusively by seed.
Sunlight & Water Needs
Requires full sun, high water needs, thrives in wet or damp soils, poor drought tolerance, prefers moist, fertile, fine-textured soils.
Mowing & Maintenance
Managed mainly through removal or herbicide; tolerates low mowing but persists as a weed in turf and crops.
Special Characteristics
Low traffic/wear tolerance, susceptible to various crop herbicides, high seed production, acts as a severe agricultural weed.
Ecological Information
Introduced weed species, provides minor seed source for waterfowl and upland birds, useful for erosion control in moist ditches.