St. Augustine Grass
Stenotaphrum secundatum · Warm-season, perennial, C4
AI-generated identification · may be incorrect
Grass Category
Lawn/Turf
Hardiness Zones
USDA Zones 8-10, sensitive to freezing temperatures and enters dormancy in cooler climates.
About This Grass
Forms a dense, blue-green carpet with coarse texture and blunt-tipped blades. Grows up to 3 inches tall with flat seed spikes.
Blade Characteristics
Wide blades with blunt, rounded tips, folded vernation, and a membranous ligule with hairs. Distinctive flat, broad stems.
Growing Information
Growth Habit
Aggressively stoloniferous, forming a dense, coarse turf via surface runners.
Sunlight & Water Needs
Thrives in full sun to moderate shade, requires regular irrigation, and prefers well-drained soils with a pH of 6.0 to 7.5.
Mowing & Maintenance
Mow high at 2.5 to 3.5 inches frequently during the growing season. High maintenance due to moderate fertilizer and water needs.
Identified on 9/25/2026