Bet from Roscoe writes
Can both be used?
Both Prodiamine 65 WDG and Tenacity Herbicide are labeled for Poa Annua. Prodiamine 65 WDG should be able to better control Poa Annua, just follow the label instructions. Make sure the product is labeled to be tolerated by your turf and check for the best time for application with your local Cooperative Exntension Office.
Answer last updated on: 10/04/2016