Barnyard Grass
Echinochloa crus-galli · Warm-season, Annual, C4 grass
AI-generated identification · may be incorrect
Grass Category
Invasive/Weed Grass, Wetland/Riparian Grass, Forage
Hardiness Zones
USDA Hardiness Zones 3 through 10, highly adaptable to warm summers and widely distributed globally
Grass Family
Poaceae, subfamily Panicoideae, tribe Paniceae
Variety / Cultivar
Wild type (no specific commercial cultivars commonly maintained as turf)
About This Grass
An aggressive summer annual grass with coarse texture, growing from 1 to 5 feet tall. Stems are thick, often branching at the base, with a light green to yellowish-green hue, turning reddish-purple at maturity. Displays dense, coarse foliage and prominent branching panicle seed heads.
Blade Characteristics
Coarse blades wider than 4mm, flat, smooth to slightly rough, with a pointed tip and prominent midrib. Light green color with no auricles, and a membranous ligule absent or very short.
Root System
Fibrous, shallow to moderately deep root system with no rhizomes or true stolons. Fast establishment from seed, excellent at colonizing disturbed wet soils.
Growing Information
Origin Region
Native to tropical and temperate Asia, now widely naturalized globally in moist soils and agricultural fields
Growth Habit
Bunch-type, erect or decumbent, spreading via seeds and sometimes rooting at lower nodes
Sunlight & Water Needs
Requires full sun and high moisture. Thrives in saturated, poorly drained soils, wetlands, ditches, and irrigated crops. Moderate drought tolerance only once established in wet conditions.
Mowing & Maintenance
High maintenance weed in turf settings, managed via pre-emergent and post-emergent herbicides or hand-pulling. Not typically mowed as a desirable turfgrass.
Special Characteristics
Low wear tolerance as a single plant, but highly resilient and aggressive weed in agricultural settings. Excellent erosion control in ditches and riparian zones due to dense root mass.
Ecological Information
Introduced weed in many regions. Provides limited food for waterfowl and small mammals via its heavy seed production, but often considered a severe agricultural pest in crops like rice and corn.