GreenlyConcepción: frost dates
Chile
In Concepción the last spring frost usually comes around 19 July and the first autumn frost around 13 June, which leaves about 329 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 8 November.
| Last spring frost | around 19 July |
|---|---|
| First autumn frost | around 13 June |
| Frost-free days | 329 days |
Median of 2016–2025 for the 25 km grid cell of the city: the last day at or below 0 °C in spring and the first in autumn (ERA5 reanalysis via Open-Meteo). In a cold year a frost can come a week or two later — Greenly warns 48 hours ahead.
When to sow and plant
| Crop | Sow for seedlings | Plant out in a greenhouse | Open ground |
|---|---|---|---|
| Bell Pepper | 2 September | 15 November | 6 December |
| Chili Pepper | 23 September | 6 December | 27 December |
| Corn | — | 19 September | sow 10 October |
| Cucumber | 4 October | 15 November | 6 December |
| Eggplant | 6 September | 15 November | 6 December |
| Green Beans | 13 August | 19 September | 10 October |
| Melon | 24 September | 15 November | 6 December |
| Peas | — | 7 June | sow 28 June |
| Physalis | 3 September | 18 October | 8 November |
| Pumpkin | 11 September | 18 October | 8 November |
| Sweet Corn | — | 19 September | sow 10 October |
| Tomato | 22 August | 18 October | 8 November |
| Watermelon | 14 October | 15 November | 6 December |
| Zucchini | 16 September | 18 October | 8 November |
Planting out: a week after the last frost once the soil is warm enough for the crop; frost-hardy crops three weeks before it; an unheated greenhouse three weeks earlier. Seedlings are sown so they are ready on that day.
Concepción: weather for the next 7 days
Forecast by Open-Meteo. Nights at or below 0 °C are marked as frost.
Planted in autumn
A month before the first autumn frost, so the roots grow before winter.