David from Mo writes
To control nimblewill, start applying Tenacity in the spring (late-April) with a nonionic surfactant. You will need to make two or three applications 2-3 weeks apart. You will use it at the 5 oz per acre rate per the label. The product does have a yearly maximum use rate, and the label states "do not apply more than 16 oz of Tenacity per acre per year or per crop (equivalent to a maximum of 0.50 lb of mesotrione per acre per year).You can also apply Tenacity in late summer and fall, but you should initiate them by August for best results. Good cultural practices on your lawn can help reduce its ability of coming back as well.
Answer last updated on: 08/26/2022
