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 to 10, with low cold tolerance and heavy winter dormancy.

About This Grass

Forms a thick, carpet-like turf with bright blue-green to dark green blades. Grows 2 to 3 inches tall with a coarse texture and produces flat seed spikes.

Blade Characteristics

Wide, flat blades with blunt, rounded tips and folded vernation. Features a membranous ligule and lacks auricles.

Growing Information

Growth Habit

Aggressively stoloniferous, spreading rapidly to form a dense, coarse turf.

Sunlight & Water Needs

Requires full sun to moderate shade and high watering frequency. Tolerates poor drought resistance and prefers well-drained fertile soils.

Mowing & Maintenance

Mow high at 2.5 to 4 inches regularly. High maintenance needing frequent fertilization and moderate weed control.

Identified on 10/8/2026