PR planting calendars
Planting calendars, USDA hardiness zones, and average frost dates for 7 PR locations (Adjuntas, PR, Culebra, PR, Culebra, PR, Ponce, PR, San Juan, PR, San Juan, PR, Utuado, PR). Pick a location to see its zone, average last and first frost dates, growing-season length, and a printable per-crop planting calendar, all from public NOAA and USDA data.
Locations in PR
| Location | USDA zone | Last frost | First frost | Season (days) |
|---|---|---|---|---|
| Adjuntas | 11b 45 to 50 °F | frost-free | frost-free | 365 |
| Culebra | 13b — | Mar 24 | Nov 17 | 239 |
| Culebra | 13a — | Mar 13 | Nov 30 | 262 |
| Ponce | 12b 55 to 60 °F | frost-free | frost-free | 365 |
| San Juan | 13a — | frost-free | frost-free | 365 |
| San Juan | 13b — | frost-free | frost-free | 365 |
| Utuado | 12a 50 to 55 °F | frost-free | frost-free | 365 |
Data: NOAA NCEI U.S. Climate Normals 1991–2020 (public domain) and USDA Plant Hardiness Zone Map 2023. Planting windows synthesized from U.S. Cooperative Extension guides.
More ways to explore
Browse by USDA hardiness zone, see when to plant common crops, or read the methodology behind every figure. This site lists 7 PR locations, mapping every ZIP in the state to its nearest weather station with a full 30-year record.