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Ceasar from Splendora,tx writes

Is Prime Source Quinclorac 1.5L Select Herbicide safe to use on St Augustine grass?

Does it matter if the St Augustine is growing or dormant?

Answer:

Prime Source Quinclorac 1.5L Select Herbicide should NOT be applied to St Augustine at any time (dormancy or actively growing).

Answer last updated on: 11/11/2017

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11 of 13 people found this answer helpful.

Prime Source Quinclorac 1.5L Select Herbicide

Prime Source Quinclorac 1.5L Select Herbicide

4 out of 5 stars

$74.45

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