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Chad from Jacksonville, Fl writes

Can Dismiss Turf Herbicide be used with a pre-emergent?

it is coming into spring so i want to avoid new weeds but i have existing ones I need to kill too..

Answer:

You could potentially apply Dismiss Turf Herbicide with a pre-emergent herbicide as long as neither label prohibits such use and both can be used in the same areas. However, you want to be sure that you are applying your products at the optimal time for the weeds you are targeting. Pre-emergents must be applied before weeds germinate, which is usually when soil temperatures are between 50-55 degrees. Post-emergent herbicides will be most effective when target weeds are young and actively growing; for most herbicides this is in the range of 60-85 degrees. Be sure to calibrate products properly, and if you are mixing two products that have not previously been verified to work together, it is best to do a small jar test for compatability first.

Answer last updated on: 03/02/2016

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