grassy weed · perennial
Elymus repens
Fine-textured grass similar to perennial ryegrass but coarser; flat, grayish-green leaves; distinctive seed heads with spikelets arranged in a zigzag pattern.
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Quackgrass spreads by rhizomes — digging breaks them into pieces that each regrow. Spot-spray with glyphosate and reseed, or use a selective grassy weed herbicide.
Apply a grassy herbicide (fluazifop or sethoxydim) in spring or fall when actively growing. Glyphosate for spot treatment is effective but will kill desirable grass too.
Prevent rhizome fragments from spreading during renovation; maintain dense, healthy turf.
Prevent rhizome fragments from spreading during renovation; maintain dense, healthy turf.
Scotts Halts Crabgrass & Grassy Weed Preventer
Scotts Halts Crabgrass & Grassy Weed Preventer
The Andersons Barricade Professional-Grade Granular
The Andersons Barricade Professional-Grade Granular
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Measure my lawn — it's free →Fine-textured grass similar to perennial ryegrass but coarser; flat, grayish-green leaves; distinctive seed heads with spikelets arranged in a zigzag pattern.
Herbicide spray. Quackgrass spreads by rhizomes — digging breaks them into pieces that each regrow. Spot-spray with glyphosate and reseed, or use a selective grassy weed herbicide.
Quackgrass (Couch Grass) is rated hard to control. It usually requires multiple applications and a consistent plan.
Prevent rhizome fragments from spreading during renovation; maintain dense, healthy turf.