Crabgrass

Digitaria sanguinalis · Warm-season, annual, C4

AI-generated identification · may be incorrect
Crabgrass

Grass Category

Invasive/Weed

Hardiness Zones

USDA Zones 2-10, highly heat tolerant, dies completely with the first hard frost.

About This Grass

Prostrate, sprawling light green turf weed reaching 6-24 inches if unmowed, featuring finger-like seed heads in summer.

Blade Characteristics

Wide, flat blades with pointed tips and a membranous ligule; rolled vernation with noticeable hairs.

Growing Information

Growth Habit

Stoloniferous and spreading, forms dense low mats with rooting at nodes.

Sunlight & Water Needs

Requires full sun and moist soil, though it tolerates poor drainage and high heat.

Mowing & Maintenance

Mow low at 1.5-2 inches to prevent seed production; requires pre-emergent herbicide for control.

Identified on 10/9/2026
Crabgrass - Digitaria sanguinalis | Grass Identifier