Quote:
Originally Posted by mulligan
Irrigation is not governed by time, but rather by the amount of water put on the turf. 1" per week is generally the rule of thumb. Place an empty tuna can on the lawn at various locations to measure approx. 1", and you'll have the time setting.
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Mulligan's is definitely the best advice . We had to repeat this a couple of times. The original owners darned near ruined the grass with their settings. The lawn company then told us to run the system at 45 mins in full sun grass and 25 minutes on our shrubs. Then decided we needed a new style of irrigation head and the new full-sun grass area now needs 75 minutes to get the amount of water. Now the "experts" say only need about 1" to 1 1/2" per week. But, that allows the so-called soil in our lot to dry out and the grass dies back so we run the system twice per week even if it rains a little. If we get a big rain with a normal day's irrigation amount, then we
might turn it off for a cycle. Good luck!