Charlee from Hertford writes
Hi-Yield Weed and Feed 15-0-10 will not kill poa annua or other grassy weeds, only broadleaf weeds. We are not aware of a post emergent weed and feed that is labeled for poa annua, but you can use Certainty Herbicide safely on centipede to control it.
Answer last updated on: 04/03/2017