Distinct from desirable grasses with its light green color and coarse, hairy leaf blades. Large crabgrass is sometimes referred to as Hairy crabgrass.
A summer annual which dies at the first frost, it grows rapidly all season long. It has a prostrate growth habit and tolerates close mowing.Crabgrass spreads by seed and will thrive in areas with low fertility, thin turf, and poor drainage.
Encourage thick, vigorous turf. Water deeply, mow high, avoid fertilizing in the summer. Remove weeds by hand with a weed puller tool, hand trowel or other hand tool.
Apply pre-emergent herbicide containing pendimethalin, dithiopyr, or organic corn gluten in the spring. Spot spray existing weeds with selective herbicide containing quinclorac.