Product Q&A

Answer:

Q4 Plus Turf Herbicide is safe for use on established Kentucky bluegrass and on fine fescue when it is part of a mix. If you have fine fescue that is not mixed with the bluegrass, then there may be some temporary discoloration. You should not add a surfactant to Q4 Plus Herbicide since this may cause extra sensitivity on the desirable grass. Please refer to the product label for complete application instructions.

Answer last updated on: 09/02/2021

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