I agree with height-of-lawn issues. Stellar told us they would let the lawn grow to 4 inches, then keep it cut to three. Been doing that since March. Aside from the fact that we don't have enough sprinkler heads in one area, everything is staying mostly green. Some neighbors' lawns are pretty scalped and seem to have dried out.
I might be interested in changing the kind of sprinkler heads, though. The grass directly under almost every head is browning. It's like the water is just skipping over that part. We've run the system and don't see how to change anything to correct that.
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