Crabgrass
Digitaria sanguinalis · Warm-season, annual, C4
AI-generated identification · may be incorrect
Grass Category
Invasive/Weed
Hardiness Zones
USDA Zones 2-10, surviving as a warm-season annual that dies with the first hard frost.
About This Grass
Aggressive, coarse-textured summer annual weed growing 6 to 24 inches tall with a pale green to blue-green color. Produces finger-like, branching spike seed heads in mid-to-late summer.
Blade Characteristics
Wide blades with pointed tips, folded vernation, membranous ligule, and distinct hairy sheaths.
Growing Information
Growth Habit
Stoloniferous, sprawling low-growing mat-former that roots at the nodes.
Sunlight & Water Needs
Thrives in full sun and compacted soils; highly drought-resistant once established.
Mowing & Maintenance
Hard to control by mowing alone due to its low-growing habit; requires pre-emergent herbicides and dense turf competition.
Identified on 10/9/2026