grassy weed · perennial
Paspalum dilatatum
Coarse, clumpy grass that grows in distinct tufts, 2–4 inches tall, with seed heads that resemble fingers on an open hand (3–6 spikes).
Not sure if it's Dallisgrass?
Snap a photo — our free AI tells you in seconds. No app needed.
Dallisgrass has extremely deep roots — digging rarely gets it all and it regrows. Spot-spray with glyphosate and reseed the area, or use a selective grassy weed herbicide.
Apply a grassy weed herbicide (fluazifop or sethoxydim) when actively growing in spring or early summer, or use glyphosate for spot treatment. Repeat applications often needed.
Maintain dense turf with proper mowing and fertilization; remove seed heads before they mature.
Maintain dense turf with proper mowing and fertilization; remove seed heads before they mature.
Scotts Halts Crabgrass & Grassy Weed Preventer
Scotts Halts Crabgrass & Grassy Weed Preventer
The Andersons Barricade Professional-Grade Granular
The Andersons Barricade Professional-Grade Granular
As an Amazon Associate, Measure Lawn earns from qualifying purchases.
Stop fighting weeds one by one →
A thick, healthy lawn is the best weed killer there is. Measure your yard on a satellite map in 30 seconds — we'll build a personalised schedule (fertiliser, seed, mowing, weed control) so dallisgrass doesn't come back.
Measure my lawn — it's free →Coarse, clumpy grass that grows in distinct tufts, 2–4 inches tall, with seed heads that resemble fingers on an open hand (3–6 spikes).
Herbicide spray. Dallisgrass has extremely deep roots — digging rarely gets it all and it regrows. Spot-spray with glyphosate and reseed the area, or use a selective grassy weed herbicide.
Dallisgrass is rated hard to control. It usually requires multiple applications and a consistent plan.
Maintain dense turf with proper mowing and fertilization; remove seed heads before they mature.