The short answer
UF/IFAS recommends irrigation on an as-needed basis. In Northwest Florida, a fixed year-round schedule commonly supplies too much water in cool or rainy periods and too little during hot, dry stretches.
Signs the lawn is ready for water
Look for blades folding lengthwise, a blue-gray color, lingering footprints or leaf wilt. Check several parts of the lawn because shade, compaction and sprinkler coverage can create different conditions within one property.
How much water per cycle?
For established turf, the goal is to wet the active root zone without runoff. Catch cans placed across each zone reveal how long the system needs and whether heads apply water evenly.
Why more water can make turf weaker
Chronic overwatering can promote shallow roots, thatch, disease and moisture-loving weeds. It can also hide broken heads and poor distribution because the timer compensates with longer run times.
A better monthly routine
Run each zone while watching it. Repair broken or tilted heads, clear blocked spray patterns, redirect pavement overspray, check rain shutoff operation and adjust the controller as weather changes.
We link the underlying source so property owners can verify the recommendation and read the technical detail.
UF/IFAS: Watering Your Florida Lawn