KillCrabgrass

By Kelly Roberson | BHG.Com Troy Warren for CNT   This common weed can quickly take over lawns and garden beds. Have you noticed brown patches appearing in your lawn after autumn's first frost? Those unsightly spots usually aren't caused by disease; they're likely caused by crabgrass when it dies in cold temperatures. This annual grass is a universal problem to homeowners in the U.S. It pops up in spring and develops into large, flat, thick clumps that spread widely, crowding out surrounding lawn grass and other plants. Because it's an annual, crabgrass dies after the first frost in autumn, which leaves behind patchy,…