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Asked by Delia from Mobile, Alabama02/04/2025QHow much water do you add to Ortho WeedClear Lawn Weed Killer Concentrate?A
Ortho WeedClear Lawn Weed Killer Concentrate states to use 2.5 oz per gallon of water for every 400 square feetÂ
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Asked by Don from Wichita, Ks02/01/2024QWhat air or soil temperature is necessary for Ortho WeedClear Lawn Weed Killer Concentrate to be effective?
I want to use Ortho WeedClear as early this spring as it can be effective. What air or soil temps are necessary for it to be effective?AOrtho WeedClear Lawn Weed Killer Concentrate label instructs product should be applied when the weeds are small and growing in the spring or fall. Crabgrass, large and smooth- Apply in the spring before crabgrass is 4 inches tall or when crabgrass is first noticeable in the lawn. Make a second appli…
Read Full Answer »Ortho WeedClear Lawn Weed Killer Concentrate label instructs product should be applied when the weeds are small and growing in the spring or fall. Crabgrass, large and smooth- Apply in the spring before crabgrass is 4 inches tall or when crabgrass is first noticeable in the lawn. Make a second application after 3 weeks for dense weed populations. Most selective herbicides wont work below 55 degrees. For the best times to apply in your area we recommend conatcting your local extension office.Â