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Sal from Gulfport, Ms writes

How long does it take for me to notice the Ortho Weed B Gon killing weeds, do they turn brown?

Do you have to pull them--I don't notice them dying off just yet.

Answer:

Most herbicides like the Ortho Weed B Gon Weed Killer For Lawns Concentrate 2 will take at least 7-14 days to show results, and sometimes longer depending on the weed species and how large or established it was at the time of application. Some weeds may need a follow up application after 2-3 weeks to see complete control. Also, its wise to make sure the specific weeds you are targeting in your lawn are listed on the product label for what you are using. 

Answer last updated on: 03/26/2021

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