Green Foxtail

Setaria viridis · Warm-season, annual, C4

AI-generated identification · may be incorrect
Green Foxtail

Grass Category

Invasive/Weed

Hardiness Zones

USDA Zones 3 through 10, completing its life cycle as an annual before dying with the first frost.

About This Grass

Forms upright clumps reaching 1 to 3 feet tall with bright green foliage and distinctive cylindrical, bristly, foxtail-like seed heads.

Blade Characteristics

Flat, smooth blades up to 0.4 inches wide with pointed tips and a membranous ligule fringed with hairs.

Growing Information

Growth Habit

Bunch-type, upright growing habit spreading via prolific seed production.

Sunlight & Water Needs

Requires full sun and moderate moisture, though it exhibits good drought tolerance in disturbed soils.

Mowing & Maintenance

High maintenance weed control required; frequent mowing prevents seed head production.

Identified on 10/12/2026