Dallisgrass

Paspalum dilatatum · Warm-season, perennial, C4 grass.

AI-generated identification · may be incorrect
Dallisgrass

Grass Category

Pasture, Invasive, Lawn Weed

Hardiness Zones

USDA Zones 6 to 9, with strong heat tolerance and winter dormancy.

About This Grass

Forms coarse, wide clumps with upright flowering stems reaching up to 4 feet tall. Features distinct raceme seed heads arranged alternately along the main stem.

Blade Characteristics

Wide, flat, light green leaves with pointed tips and sparse hairs near the collar region.

Growing Information

Growth Habit

Bunch-type growth habit with short, stout rhizomes forming dense, coarse clumps.

Sunlight & Water Needs

Requires full sun and moist soils, but exhibits good drought tolerance once established. Prefers heavy, poorly drained soils.

Mowing & Maintenance

Hard to control due to low-growing rosette leaves that evade standard mower heights. High maintenance weed in lawns, requiring targeted herbicide or hand-pulling.

Identified on 10/17/2026
Dallisgrass - Paspalum dilatatum | Grass Identifier