Quote:
Originally Posted by Russ_Boston
I went to the irrigation clinic the other day presented by Jim Davis at Colony. He indicated that it was just once per week. He also recommends the tuna can test to get 3/4 inch uniform coverage. This should be enough for zoysia but it needs to be done all at once and not spread out over the week. It may take 30 min or it may take an hour or more depending on your sprinkler heads, wind etc. He also recommended to do it around 4AM so it can dry off of the grass leaves to prevent fungus. The idea is develop a deep root system and you do this by one heavy watering.
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I have also heard 3/4" was good coverage. I cycle mine twice the same AM. I have some slopes and this minimizes runoff.
St. Augustine spreading into other grasses is a real problem. It requires an open space between. A hedge will suffice. Just don't let the St. A get a foothold. Personally I wouldn't take the chance. I have been living with St. A grass for over thirty years. Keep it watered, mow it high, hire a good lawn treatment company and it isn't that bad. I like the spreading feature. If you lose a spot it will fill back in in time.