Answer: chickweed

AnswerCrossword Clue
CHICKWEEDWould this put a gardener in a fowl mood?
CHICKWEEDBaby fowl don't grow on this
CHICKWEEDLawn invader
CHICKWEEDPlant used as bird feed
chickweedA small plant of the pink family with deeply cleft white petals, often growing as a garden weed and sometimes eaten by poultry
chickweedany plant of the genus Stellaria