Cyper TC is not labeled to control armyworms. Talstar P Liquid Concentrate or Talstar XTRA Granules are most commonly used for treating armyworms. Talstar P Liquid will provide a 30 day residual in the lawn, Talstar XTRA Granules will last 60-90 days in the lawn once watered in.
Please read our Armyworm Treatment Guide for more information and recommendations
Answer last updated on: 08/21/2021