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Tony from Crowley, La writes

if Grass Out Max can be used on Dog Fennel, what would be the ratio of Grass Out Max per gallon of water?

Answer:

Grass Out Max is not labeled for dogfennel.  You could use something like Fertilome Weed Free Zone instead, at the rate of 1.5 oz - 2 oz. per gallon of water per 1,000 sq. ft.

Answer last updated on: 08/10/2018

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