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

Thrives in USDA zones 8 through 10, with low cold tolerance and heavy winter dormancy in the northern limits.

About This Grass

Forms a coarse, dense turf with blue-green to dark green blades and an upright growth habit. Produces flattened, spike-like seed heads at maturity.

Blade Characteristics

Wide blades with blunt, rounded tips, folded vernation, and a short membranous ligule with no auricles.

Growing Information

Growth Habit

Aggressively stoloniferous with thick, above-ground runners forming a dense turf canopy.

Sunlight & Water Needs

Requires full sun to moderate shade and frequent watering, with low drought tolerance and preference for well-drained soils.

Mowing & Maintenance

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

Identified on 10/15/2026
St. Augustine Grass - Stenotaphrum secundatum | Grass Identifier