Science · Turfgrasses
St. Augustinegrass
Coarse-textured warm-season turf that tolerates moderate shade and spreads by stolons.
Profile
- Sun
- Full sun to moderate shade
- Spread
- Stolons
Source: Turfgrass Species — UC IPM ↗ — Species sections describe growth habit, adaptation and management; California context, not cultivar or universal numeric targets.
Omitted numeric mowing, pH, hardiness-zone and temperature claims are not verified here; use locally applicable species/cultivar and use-specific guidance. Sources do not validate product telemetry or diagnostic claims.
Water & soil context
- Moisture (VWC)
- No universal species target; calibrate to the installed soil/profile, sensor depth, field capacity and observed dry-down.
- Salinity tolerance
- Assess irrigation-water and root-zone salinity; tolerance depends on species and site.
- Drought tolerance
- Depends on species, rooting depth, weather and establishment.
Use root-zone measurements with field inspection; do not infer irrigation needs from a fixed VWC band.
Source: Soil moisture sensors for irrigation scheduling — UMN Extension ↗ — VWC is distinct from soil tension; soil/site calibration and root-zone measurements matter. Agricultural principles, not species-specific target bands.
Problems to watch
- Thatch accumulation
- Investigate discoloration before assigning a pest cause
Stress signs
- Discoloration or thinning is not diagnostic; inspect the site
Source: Lawn Insects — UC IPM ↗ — Brown patches have multiple causes; confirm damaging insect populations before treatment. Not a species-specific pest ranking.
Where you'll find it
- Residential and HOA lawns
- Commercial landscapes in shade
Sources & scope
- Turfgrass Species — UC IPM ↗
Species sections describe growth habit, adaptation and management; California context, not cultivar or universal numeric targets.
- Soil moisture sensors for irrigation scheduling — UMN Extension ↗
VWC is distinct from soil tension; soil/site calibration and root-zone measurements matter. Agricultural principles, not species-specific target bands.
- Lawn Insects — UC IPM ↗
Brown patches have multiple causes; confirm damaging insect populations before treatment. Not a species-specific pest ranking.
More turfgrasses
All Science profilesPublished botanical and soil references are distinct from GroundWorx product guidance. Moisture thresholds and monitoring depths require site calibration; sources do not establish product performance or diagnose stress.



