J. from Sewickley, Pa writes
Tenacity is labeled for post-emergent control of Nimbleweed. Per the product label, you may need a second application after 2 to 3 weeks. Apply to young, actively growing weeds, and be sure to use a surfactant such as Southern Ag Non-Ionic surfactant for post-emergent applications.
Answer last updated on: 05/10/2015