Crabgrass

Digitaria sanguinalis · Warm-season, annual, C4

AI-generated identification · may be incorrect
Crabgrass

Grass Category

Invasive/Weed

Hardiness Zones

USDA Zones 3-10, dying with the first heavy frost and germinating from seed each spring.

About This Grass

Aggressive, coarse-textured annual reaching up to 2 feet in height with a sprawling, light green to yellow-green form. Produces finger-like raceme seed heads in late summer.

Blade Characteristics

Wide, flat blades with pointed tips and prominent membranous ligules; rolled vernation.

Growing Information

Growth Habit

Stoloniferous, sprawling low growth that roots at the nodes to form dense mats.

Sunlight & Water Needs

Full sun required with moderate water needs; highly drought-tolerant once established and thrives in poor, compacted soils.

Mowing & Maintenance

Requires frequent low mowing to prevent seed production; high maintenance as a persistent weed.

Identified on 10/5/2026