Dallisgrass
Paspalum dilatatum · Warm-season perennial C4 grass
AI-generated identification · may be incorrect
Grass Category
Invasive/Weed and turf weed
Hardiness Zones
USDA zones 6 through 9 with strong heat tolerance and winter dormancy.
About This Grass
Forms large, coarse clumps growing 2 to 4 feet tall with distinct long seed heads featuring 3 to 7 alternate spikes.
Blade Characteristics
Wide, flat, light green blades with prominent midribs, pointed tips, and a membranous ligule.
Growing Information
Growth Habit
Bunch-type grass with short, stout rhizomes forming dense, coarse clumps
Sunlight & Water Needs
Requires full sun and moist soils but exhibits high drought tolerance once established.
Mowing & Maintenance
Hard to control by mowing alone due to low-growing rosette leaves; manual removal or selective herbicides needed.
Identified on 9/25/2026