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 severe cold and goes dormant with winter discoloration.

About This Grass

Forms a thick, coarse-textured lawn with broad flat blades and a bright green to blue-green color. Grows 2 to 3 inches tall with a flat, spike-like seed head at maturity.

Blade Characteristics

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

Growing Information

Growth Habit

Aggressively stoloniferous, forming a dense, coarse turf via surface runners.

Sunlight & Water Needs

Thrives in full sun to partial shade, requiring frequent watering and well-draining soils with a pH between 6.0 and 7.5.

Mowing & Maintenance

Mow at 2.5 to 3.5 inches high regularly. Requires moderate to high maintenance including frequent fertilization and periodic dethatching.

Identified on 9/30/2026
St. Augustine Grass - Stenotaphrum secundatum | Grass Identifier