August up toward Katonah is the honest test of a lawn — three weeks without real rain and every thin patch shows itself. Ronnie's landscaping service corp keeps mowing right through it, raising the deck, trimming the edges, refreshing mulch so the beds hold what moisture there is, and clearing the yard out when September finally breaks the heat. Cutting grass in a dry stretch is a different job than cutting it in June, and knowing the difference is most of the trade. Then the leaves arrive, and the cleanup work carries on into November. The route takes in Mount Kisco, Katonah, Bedford Hills, Goldens Bridge and Cross River.