St. Augustine Grass

Stenotaphrum secundatum · Warm-season, perennial, C4 grass

AI-generated identification · may be incorrect
St. Augustine Grass

Grass Category

Lawn/Turf

Hardiness Zones

USDA Zones 8 through 10, with low cold tolerance and severe winter dormancy

About This Grass

Coarse-textured, low-growing turf with blue-green to dark green blades and a flat seed head spike

Blade Characteristics

Wide flat blades with blunt, rounded tips, folded vernation, and a fringe of hairs for a ligule

Growing Information

Growth Habit

Stoloniferous, spreading rapidly via thick surface runners to form a dense turf

Sunlight & Water Needs

Requires full sun to moderate shade, high moisture, and prefers well-drained soils with pH 6.0 to 7.5

Mowing & Maintenance

Mow high at 2.5 to 4 inches regularly; requires moderate to high maintenance and frequent fertilization

Identified on 10/17/2026