Frost dates by ZIP
Last and first frost dates for ZIP 43215 (Columbus, OH)
Columbus (ZIP 43215) has an average last spring frost around Apr 30 and first fall frost around Oct 15, about 168 frost-free days.
Source: columbus-port-columbus frost station, USDA zone 6b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.
Columbus (ZIP 43215) has an average last spring frost around Apr 30 and an average first fall frost around Oct 15, giving about 168 frost-free days.
Apr 30 last frost
168 frost-free days
Oct 15 first frost