Dallisgrass
Paspalum dilatatum · Warm-season, perennial, C4 grass
AI-generated identification · may be incorrect
Grass Category
Invasive/Weed
Hardiness Zones
USDA Zones 6 to 9, showing strong heat tolerance and winter dormancy.
About This Grass
Forms coarse, low-growing clumps with tall, upright flowering stems reaching up to 4 feet. Features distinctive dark, fuzzy seeds arranged alternately along racemes.
Blade Characteristics
Wide, flat, light green leaves with prominent midribs and a membranous ligule. Base often has fine hairs.
Growing Information
Growth Habit
Bunch-type grass forming aggressive, wide clumps with short, stout rhizomes.
Sunlight & Water Needs
Thrives in full sun to partial shade with high moisture needs. Highly tolerant of poorly drained, compacted soils.
Mowing & Maintenance
Resistant to low mowing; seed heads easily slip beneath mower blades. Difficult to control manually due to stout rhizomes.
Identified on 10/4/2026