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Know when to plant — anywhere on Earth. Frost dates, growing-season length and per-crop windows for any town, with the source and confidence shown for every figure.

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Climate data: NOAA GHCN-Daily (public domain); NASA POWER; Köppen-Geiger © Beck et al. 2023 (CC BY 4.0); crop data: FAO ECOCROP; geocoding © OpenStreetMap contributors.© 2026 when.garden