Crab Grass - Knowledgebase Question

Monrovia, CA
Question by giantcah
June 25, 2007
My marathon grass has crab grass crawling all through it. How can I get rid of the crab grass. I tried using a crab grass killer from Ortho but it did not work.


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Answer from NGA
June 25, 2007

0

It could have been the timing of your spray, or the weather when you applied it. The following products are registered for crabgrass control in Marathon lawns:
Acme
Crabgrass & Nutgrass Killer
(MSMA)
Grassy Weeds, including; Crabgrass, Dallisgrass, Goosegrass, Johnsongrass, Nutsedge, Witchgrass

Green Light
Crabgrass Killer
(MSMA)
Grassy Weeds, including; Crabgrass, Dallisgrass, Goosegrass, Johnsongrass, Nutsedge, Witchgrass

Monterey
Weed Hoe
(MSMA)
Grassy Weeds, including; Crabgrass, Dallisgrass, Goosegrass, Johnsongrass, Nutsedge, Witchgrass

Monterey
Turflon Ester
(Triclopyr)
Grassy and Broadleaf Weeds, including; Bermudagrass and annual and perennial weeds

Acme
Trimec Plus
(Trimec and MSMA)
Grassy and Broadleaf Weeds, Including; Crabgrass, Yellow Nutsedge, Dallisgrass, Dandelion, Ground Ivy, Clover

You'll want to apply a pre-emergent herbicide on your lawn early next spring to get a jump start on stopping any crabgrass seeds from sprouting in your lawn next summer.

Best wishes with your lawn!

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