Yellow Foxtail
Setaria pumila · Warm-season, annual, C4
AI-generated identification · may be incorrect
Grass Category
Invasive/Weed
Hardiness Zones
USDA zones 3 to 9, acting as a summer annual that dies with the first frost.
About This Grass
Forms dense clumps reaching 1 to 3 feet tall with bright green foliage. Distinguished by bristly, cylindrical, foxtail-like seed heads.
Blade Characteristics
Flat, medium-width blades with prominent twisted hairs near the base on the upper surface. Membranous ligule with no auricles.
Growing Information
Growth Habit
Bunch-type, upright habit spreading strictly via seed production.
Sunlight & Water Needs
Requires full sun and moderate moisture, though it adapts well to dry, disturbed soils. Prefers neutral to slightly acidic pH.
Mowing & Maintenance
High maintenance weed control as it thrives in neglected turf. Mowing low prevents seed head formation but does not kill the plant.
Identified on 10/3/2026