If you’re planning a new lawn in La Crosse, choosing between spring, summer, or fall sod installation can make or break your long-term results. This guide explains the ideal timing for sod installation in the Driftless Region and how local climate patterns affect root growth. When Is the Best Time to Install Sod? 1. Early Fall (Late August–October) — T he #1 C hoi ce in La Crosse Cooler temps reduce heat stress Warm soil encourages rapid rooting Fewer weeds compete for space