Question: I had sprinklers installed last fall and my lawn has a few patches where the grass did not grow back. I was waiting for the spring to seed those areas but was wondering when i should actually start that process for the best results.
April is the earliest you should overseed your lawn. That's when both air and soil temperatures will be warm enough to encourage quick germination. Best wishes with your lawn!
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When singular and plural spellings differ, as in peony and peonies, try both.