Technically a weed, crabgrass (Digitaria sanguinalis) has a habit of infiltrating American lawns, blending in with other grasses in color and general appearance. But take a closer look and you'll ...

Crabgrass is a low-growing weed that splays outward from the center like crab legs. Crabgrass has clumping, fibrous roots (no rhizomes), and its wide light green leaves come out in the spring to early ...