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 to 10; has low cold tolerance and enters dormancy turning brown in winter.

About This Grass

Coarse-textured, low-growing turf with dark blue-green leaves and a thick carpet-like density. Produces a flat, spike-like seed head at maturity.

Blade Characteristics

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

Growing Information

Growth Habit

Aggressively stoloniferous with thick, flat runners forming a dense turf

Sunlight & Water Needs

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

Mowing & Maintenance

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

Identified on 10/16/2026