St. Augustine Grass

Stenotaphrum secundatum · Warm-season, perennial, C4

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

Grass Category

Lawn/Turf

Hardiness Zones

USDA Zones 8-10. Excellent heat tolerance but poor cold tolerance, going dormant in winter.

About This Grass

Forms a coarse-textured, blue-green to dark green carpet. Grows 2 to 3 inches tall with a flat, notched seed head.

Blade Characteristics

Wide, flat blades with blunt, rounded tips. Folded vernation with a short, membranous ligule and absent auricles.

Growing Information

Growth Habit

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

Sunlight & Water Needs

Requires full sun to partial shade, tolerates shade better than most warm-season grasses. Needs moderate to high watering and prefers well-drained soils.

Mowing & Maintenance

Mow high at 2.5 to 4 inches regularly. Requires moderate to high maintenance including regular fertilization and watering.

Identified on 9/25/2026