GreenlyOviedo: frost dates
Spain
In Oviedo the last spring frost usually comes around 31 March and the first autumn frost around 6 December, which leaves about 250 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 27 May.
| Last spring frost | around 31 March |
|---|---|
| First autumn frost | around 6 December |
| Frost-free days | 250 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 | 16 March | 29 May | 19 June |
| Chili Pepper | 6 April | 19 June | 10 July |
| Corn | — | 19 March | sow 9 April |
| Cucumber | 17 April | 29 May | 19 June |
| Eggplant | 20 March | 29 May | 19 June |
| Green Beans | 10 February | 19 March | 9 April |
| Melon | 7 April | 29 May | 19 June |
| Peas | — | 17 February | sow 10 March |
| Physalis | 22 March | 6 May | 27 May |
| Pumpkin | 30 March | 6 May | 27 May |
| Sweet Corn | — | 19 March | sow 9 April |
| Tomato | 10 March | 6 May | 27 May |
| Watermelon | 27 April | 29 May | 19 June |
| Zucchini | 4 April | 6 May | 27 May |
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.
Oviedo: weather for the next 7 days
Forecast by Open-Meteo. Nights at or below 0 °C are marked as frost.
Planted in autumn
| Crop | Plant around |
|---|---|
| Crocus | 6 November |
| Daffodil | 6 November |
| Garlic | 6 November |
| Hyacinth | 6 November |
| Lily | 6 November |
| Tulip | 6 November |
A month before the first autumn frost, so the roots grow before winter.