GreenlyLeeds: frost dates
United Kingdom
In Leeds the last spring frost usually comes around 18 April and the first autumn frost around 23 November, which leaves about 219 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 29 May.
| Last spring frost | around 18 April |
|---|---|
| First autumn frost | around 23 November |
| Frost-free days | 219 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 | 22 March | 4 June | 25 June |
| Chili Pepper | 9 April | 22 June | 13 July |
| Corn | — | 18 April | sow 9 May |
| Cucumber | 23 April | 4 June | 25 June |
| Eggplant | 26 March | 4 June | 25 June |
| Green Beans | 12 March | 18 April | 9 May |
| Melon | 13 April | 4 June | 25 June |
| Peas | — | 7 March | sow 28 March |
| Physalis | 24 March | 8 May | 29 May |
| Pumpkin | 1 April | 8 May | 29 May |
| Sweet Corn | — | 18 April | sow 9 May |
| Tomato | 12 March | 8 May | 29 May |
| Watermelon | 3 May | 4 June | 25 June |
| Zucchini | 6 April | 8 May | 29 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.
Leeds: 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 | 24 October |
| Daffodil | 24 October |
| Garlic | 24 October |
| Hyacinth | 24 October |
| Lily | 24 October |
| Tulip | 24 October |
A month before the first autumn frost, so the roots grow before winter.