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Adam from New Orleans, La writes

Is Fahrenheit Herbicide safe to use around knockout roses?

I have dollar weed growing in my backyard and it is around our knockout rose bushes. I want to make sure I don't harm the roses.


Fahrenheit Herbicide is not safe to use around desirable ornamental plants such as your knockout roses as it only for use on turfgrass areas. We recommend that you spot treat the dollarweed carefully using a non-selective herbicide such as RoundUp QuikPro. You may also consider using mulch or other barriers to help block sun and nutrients around where the roses are planted. 

Answer last updated on: 03/26/2021

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