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Mike from Manchester, Pa writes

Is Tenacity Herbicide Safe on Spruce Trees?

Can I spray this product as both an herbicide and pre emergent in and around blue spruce ornamental trees (weeds emerging through bottom branches)? If yes, what is a safe application rate?

Answer:

Tenacity Herbicide  could pose a discoloration if it gets on the bark. You want to try and make the application on a day that is not very windy. According to the Tenacity product label you will need to mix 1/2 tsp of product + 1 1/2 tsp surfactant with 1 gallon of water. Tenacity will also act as a pre emergent for listed weeds.

Answer last updated on: 07/15/2015

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Tenacity Herbicide

Tenacity Herbicide

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