Water whenever your grass appears to need watering. However, if you have a
sprinkler system, set it to water between 2 a.m. and 5 a.m -- better for the
grass. Always water lightly before fertilizing and water afterwards to
allow the fertilizer to not "burn" the grass (or apply fertilizer when rain
chances are high and let nature do the work). Watering in the heat of the
day simply wastes water (due to evaporation). In some parts of the country,
watering in the evening may promote fungal growth to the grass. However,
it's okay to water shrubbery and plants appearing to need water whenever
possible.
"Dave" wrote in message
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Watering in the morning? Watering in the evening? Does it even matter?