
Annual Bluegrass-Poa annua
Annual bluegrass is a winter annual weed with a bunch-type growth habit. Leaves are folded in the bud, have a boat shape tip, membranous ligule, and often have a wrinkled section near the middle of the blade. Annual bluegrass produces a panicle type seedhead that is triangular in shape, with bunched spikelets. Fruits are present throughout the life cycle, however the majority of the seedheads are formed in the spring.