Signs of heat-stressed St. Augustine sod
Folding Grass Blades
St. Augustine sod has a vein through its leaves, allowing it to open and close as needed. Well-watered grass will appear almost completely flat and open. Heat-stressed leaf blades will close in half to conserve water, reducing sun exposure. The folded blades will give the lawn a faded look instead of the deep green color of the healthy open edges.
Grass Blades Spring Back Slowly
If your footprints on St. Augustine sod last more than 10 -15 seconds, your lawn is most likely suffering from drought stress. Healthy turf will return to the upright position within 5 seconds of being walked upon
Mower Tracks
Visible brown streaks on your lawn 3 – 5 days after mowing indicate inadequate water. The heavy mower tires break the blades and lead to dead tracks within a few days.
Crushing Sound Under Foot
Sod with plenty of water is soft and cushiony. Dry grass will audibly “crunch” and crackle as it’s stepped on.