Crabgrass<BR>Mid-Feb. - March - apply Pre <BR>repeat 8 wks later if 1/2 rate is used <BR>Summer - MSMA <BR>repeat 2x, 7 day interval, will not control goosegrass <BR>Summer - Drive <BR>one application, apply to seedling or big crabgrass, control of 1 to 4 tiller crabgrass is not consistent, will not control goosegrass<BR>