What keeps it from happening?What kills it?Return to WeedsGalleryAnnual BluegrassDESCRIPTION: Annual Bluegrass is a type of grass with long, narrow leaves that are typically bright green and smooth or slightly rough to the touch. It produces small, inconspicuous flowers in late spring or early summer, and the flowers are wind-pollinated. After flowering, it produces small seeds that can be dispersed …