Quote:
Originally Posted by NJblue
This may be a dumb question, but why not just do the Round Up thing and skip the donuts? I find all those concrete donuts to be an eyesore. I have never used them up North, but perhaps this will be a learning lesson about living in Florida with zoysia. I wish that there were a more aesthetic recourse than pieces of concrete around my yard and perhaps a small Round-Up enduced dead spot may be better than concrete.
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The purpose of the donuts is to keep the heavy lawn mowers off the sprinkler heads. Secondary to that is helping to keep the grass from growing over the head and effecting its working properly. If you will be mowing your own lawn and do not run over the heads...you do not need the donuts.