As temperatures begin to cool across the Tampa Bay region, your lawn's water needs are changing. While summer heat and long days often increase stress on turfgrass, fall and winter bring a welcome shift: grass growth slows, evaporation decreases and lawns require less supplemental irrigation.
That means many homeowners can skip a week of watering without harming their lawns.
Most Florida lawns naturally grow more slowly as temperatures drop and daylight hours become shorter. Warm-season grasses such as St. Augustine grass, Bahia grass and zoysia grass enter a period of reduced growth, often referred to as dormancy or semi-dormancy.
As growth slows, grass requires less water to stay healthy. At the same time, cooler temperatures reduce evaporation, allowing moisture already in the soil to remain available to plant roots longer.
In simple terms, your lawn isn't using water as quickly as it did during the summer months.
Another reason your yard may not need as much irrigation right now? Mother Nature has been lending a hand.
The Tampa Bay area has received increased rainfall in recent weeks, helping replenish soil moisture and reducing the need for supplemental watering. When rainfall provides adequate moisture, running irrigation systems can do more harm than good by encouraging shallow root growth and wasting water.
Before turning on your sprinklers, take a moment to check your lawn. If the soil is still moist and your grass looks healthy, consider skipping that scheduled watering day.
Long-range weather forecasts indicate that El Niño conditions are expected to continue influencing weather patterns, increasing the likelihood of a wetter-than-average winter across much of Florida.
While no forecast guarantees rain on any particular day, wetter seasonal conditions could provide additional natural irrigation in the months ahead. Combined with cooler temperatures, that means many landscapes will require significantly less water than they do during the spring and summer growing seasons.
Skipping just one week of irrigation may seem like a small step, but across the region, those savings can add up quickly. Using only the water your landscape actually needs helps preserve our region's water resources.
Cooler temperatures, shorter days and slower turfgrass growth reduce lawns’ water needs. Recent rainfall may also provide enough soil moisture to safely skip a scheduled watering day.
No. Residents should check their lawns before watering and irrigate only when grass shows signs of stress, such as folded blades, lingering footprints or a blue-gray color.
No. Local watering schedules establish when irrigation is allowed—not when it is required. Residents should always follow their city or county’s restrictions and skip watering when their landscapes do not need it.
Residents should turn off automatic irrigation and allow rainfall to meet their landscapes’ needs. Rain sensors should be checked regularly to ensure they are working properly.
Healthy, established lawns can generally tolerate a skipped watering when temperatures are cooler and adequate soil moisture is available. Newly installed sod and landscapes with special needs may require different care.
