Yellow Foxtail
Setaria pumila · Warm-season, annual, C4
AI-generated identification · may be incorrect
Grass Category
Invasive/Weed
Hardiness Zones
USDA zones 3 to 10, highly heat tolerant, completes its lifecycle in one season and dies with frost
About This Grass
Forms coarse, dense clumps reaching 1 to 3 feet tall with a bright green color and bristly, cylindrical yellow seed heads at maturity
Blade Characteristics
Flat blades up to 0.5 inches wide with prominent hairs on the upper surface near the collar and pointed tips
Growing Information
Growth Habit
Bunch-type, upright habit with moderate seed production and no spreading structures
Sunlight & Water Needs
Thrives in full sun with moderate water requirements and adapts well to various well-drained soils
Mowing & Maintenance
Requires frequent mowing to prevent seed head formation; high maintenance as an invasive weed in turfgrass
Identified on 10/3/2026