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Managing lawns and landscapes during dry weather

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Eyewear Unlimited Niceville

Even though our average rainfall in Northwest Florida is around 62 inches per year, we don’t always receive rain exactly when we need it. It does not take long to move from receiving too much rain to needing rain. With the extended dry, warm weather, it’s important to revisit water management practices to improve the water efficiency of our lawns and landscapes.

Even though our average rainfall in Northwest Florida is around 62 inches per year, we don’t always receive rain exactly when we need it. It does not take long to move from receiving too much rain to needing rain. With the extended dry, warm weather, it’s important to revisit water management practices to improve the water efficiency of our lawns and landscapes.

Mulching helps conserve water. On bare ground about  60 percent of the water can be lost through evaporation. A two to three-inch layer of mulch will help hold onto the water so the plants can use it. Try to mulch the entire root zone when possible or at least apply mulch all the way around the plants out to the end of the branches.

When watering, a thorough soaking to wet the soil to a depth of six to eight inches is much better for plants than light frequent watering. Three to five gallons of water applied to one spot under the canopy of trees or shrubs should thoroughly saturate the root zone in that location. During dry periods (as a general rule), twenty-five percent of the root system, when watered thoroughly, can absorb all the water a plant requires at any given time.

  • Eye M.D. of Niceville

When watering lawns, apply one to two inches of water per week when we are not getting rain. Although many sprinklers have irrigation rates of ¼ inch per hour, some may apply up to one inch per hour. Measure your irrigation rate and uniformity by placing several open-top containers of the same size under the sprinkler and see how long it takes to apply a known amount of water such as ½ inch.

An efficient irrigation program on turf should not begin until the lawn grass shows signs of moisture stress. Symptoms include a dull and bluish-green color and leaf blades folding. The most efficient time to irrigate is between sunset and sunrise because of less evaporation, less wind and lower temperatures. Early morning is the next most effective time to irrigate while midday is the least efficient.

Avoid fertilizing drought-stressed plants. Fertilizers are chemical salts and will actually dehydrate roots when water is in short supply. If you need to apply a pesticide, make certain the plant is not wilted at the time and spray during early morning or late afternoon. You should also avoid unnecessary pruning of plants during drought. Pruning encourages new growth which has a high demand for water.

  • Eyewear Unlimited Niceville

For more information on watering efficiently and drought-tolerant plants, contact the UF/IFAS Extension Office in your County or visit the following website.

http://gardeningsolutions.ifas.ufl.edu/care/irrigation

Larry Williams is the Extension horticulture agent with the Okaloosa County Cooperative Extension Service, University of Florida. Contact Larry at 689-5850 or email lwilliams@myokaloosa.com.

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