watering lawns - Knowledgebase Question

riverside, Ca
Question by car1937
July 9, 2010
how often should i water my tall fescue lawn.i also have a garden tomatoes squash and bell peppers and jalapenio peppers how often should i water them?


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Answer from NGA
July 9, 2010

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How often you should water depends on how often it rains, how long your soil retains moisture, and how fast water evaporates in your climate. Soil type is another important factor. Clay soils hold water very well -- sometimes too well. Sandy soils are like a sieve, letting the water run right through.

So much depends on climate and the ability of different soil types to hold moisture that it's difficult to give specific directions for watering your garden. Generally, however, vegetable plants need about an inch of water a week. The best time to water your garden is in the morning. If you water at night when the day is cooling off, the water is likely to stay on the foliage, increasing the danger of disease. When watering your vegetable garden, there is one rule you should follow: Always soak the soil thoroughly. A light sprinkling can often do more harm than no water at all: It stimulates the roots to come to the surface, where they are killed by exposure to the sun.

Lawns will be happy with one inch of water per week. To check how much water your sprinklers put out, place three or four empty cans on the lawn and water as usual. Check to see how much water has accumulated in the cans. If it's less than a half inch, run the water again and make sure to time it. This will give you an idea of how long to run your sprinklers to deliver one half inch of water. Then you'll know how long to run the water every 3-4 days during the summer months to give your lawn one inch of water per week.

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