The Q&A Archives: Watering Lawn

Question: My lawn has 100% exposure to the sun with no trees shading it. I live in Culver City 90230. How long and how often should I be watering it. I water every other day for 8 minutes, but it still seems dry. Brown spots in the lawn.

Answer: I don't think you're applying enough water to encourage deep rooting, which will help a lawn endure hot, dry weather. Your lawn should be happy with on one-inch of water per week. The roots will deeply penetrate the soil in search of moisture, so be sure to water thoroughly but infrequently. Depending upon your soil type you should be able to keep your lawn looking its best by watering only once or twice a week during the summer months. To help you figure out how much water you're applying, put two or three empty tuna or cat food cans on the lawn and turn your sprinkler on. Time for 15 minutes and then check the level of water in the cans. When you've applied a full inch of water, write the time down. That's how long you'll have to run your sprinkler to give your lawn its full one inch of water. If you have sandy soil, apply one-half inch of water each time you water, and plan to water every 3 days. If your soil has more clay than sand, it will retain the moisture longer and you won't have to water as often.

Best wishes with your lawn!

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