Steve from Reading, Pa writes
I am hoping not to have to Roundup my entire lawn to get rid of Poa annua, it has been gaining ground over the last few years over all of my pre emergence treatment
Revolver Selective Herbicide is labeled to be used on Bermudagrass, Zoysiagrass, and Buffalograss in commercial areas only to control Poa annua and should not harm the listed tolerant grass species when used as directed on the product label.
Answer last updated on: 04/23/2012