Product Q&A

Answer:

Simazine 4L is not labeled to be used on switchgrass or listed to kill this native grass. We would not recommend contacting the manufacturer or local Master Gardener for clarification. According to this article by the UGA Extension office, Roundup is the best way to control weeds in Switchgrass. 

http://extension.uga.edu/publications/detail.html?number=B1358&title=The Management and Use of Switchgrass in Georgia

Answer last updated on: 10/17/2021

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