Crabgrass is a fast-growing, heat-loving annual weed that thrives in thin, compacted, or poorly maintained lawns. It germinates in spring, spreads aggressively in summer, and drops thousands of seeds before dying in fall. The best defense is healthy turf, timely mowing, and targeted pre- and post-emergent treatments. 🌱 What Is Crabgrass? Crabgrass (Digitaria spp.) is...