Henbit   (Lamium amplexicaule) is a cool season, ANNUAL broadleaf weed with square stems and pink to purple flowers. It is mostly noticed in the early spring after it has had a chance to grow all winter in the lawn and then begins to bloom. These blooms produce seed which will lay dormant over the hot summer, then begin to germinate in the fall as the temperatures cool. The plant itself dies completely in hot temperatures and does not come back from the roots.  Products labeled for pre-emergent control of Henbit include Hi Yield with Dimension and Pendulum 2G.     Wild Carrot   (Daucus carota)  is a biennial broadleaf weed [...]