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 through 10, sensitive to hard frost and enters dormancy in cooler winter conditions.

About This Grass

Forms a thick carpet with broad, flat-tipped blades and a blue-green color. Produces flattened seed spikes at maturity.

Blade Characteristics

Coarse, wide blades with rounded tips and folded vernation. Ligule is a fringe of hairs, lacking auricles.

Growing Information

Growth Habit

Aggressively stoloniferous, forming a dense, coarse turf

Sunlight & Water Needs

Requires full sun to moderate shade and regular watering. Prefers well-draining soils with a neutral to slightly acidic pH.

Mowing & Maintenance

Mow high at 2.5 to 4 inches regularly. Requires moderate to high maintenance including frequent fertilization.

Identified on 10/16/2026
St. Augustine Grass - Stenotaphrum secundatum | Grass Identifier