Bristol from Lumberton, Nc writes
Celsius WG Herbicide is not labeled for eradication of Poa Annua. The best way to treat for Poa Annua is by using a pre emergent like Bensumec 4LF. This way you will prevent it from germinating. Bensumec can safely be applied to Zoysiagrass.
Answer last updated on: 05/04/2017