Product Q&A

Answer:

A post-emergent such as Fahrenheit Herbicide will only work when soil temperatures are above 55 degrees. Below is a video on how to measure your soil temperatures or you may work with your local extension office for optimal application timing 
 
https://www.domyown.com/do-my-own-lawn-care-how-to-measure-soil-temperatures-v-384.html
https://npic.orst.edu/pest/countyext.htm

Answer last updated on: 01/31/2025

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