GreenlyBirmingham: frost dates
United Kingdom
In Birmingham the last spring frost usually comes around 26 April and the first autumn frost around 19 November, which leaves about 207 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 25 May.
| Last spring frost | around 26 April |
|---|---|
| First autumn frost | around 19 November |
| Frost-free days | 207 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 |
|---|---|---|---|
| Achocha | 3 March | 12 April | 3 May |
| Arugula | — | 15 March | sow 5 April |
| Basil | 22 April | 30 May | 20 June |
| Beet | — | 15 March | sow 5 April |
| Bell Pepper | 17 March | 30 May | 20 June |
| Black-eyed Susan | 2 March | — | 3 May |
| Bok Choy | 8 March | 12 April | 3 May |
| Broad bean | — | 15 March | sow 5 April |
| Broccoli | — | 15 March | sow 5 April |
| Brussels Sprouts | 29 January | 15 March | 5 April |
| Cabbage | — | 15 March | sow 5 April |
| Calendula | — | 15 March | sow 5 April |
| Carrot | — | — | sow 5 April |
| Cauliflower | 1 February | 15 March | 5 April |
| Celeriac | 25 January | 12 April | 3 May |
| Celery | 25 January | 12 April | 3 May |
| Celosia | 2 April | 17 May | 7 June |
| Chamomile | — | 15 March | sow 5 April |
| Chayote | 18 January | 16 April | 7 May |
| Chickpea | — | — | sow 5 April |
| Chili Pepper | 2 April | 15 June | 6 July |
| China aster | 8 April | 30 May | 20 June |
| Chives | — | — | sow 5 April |
| Cilantro | — | 15 March | sow 5 April |
| Corn | — | 16 April | sow 7 May |
| Cosmos | 2 April | 17 May | 7 June |
| Cucumber | 18 April | 30 May | 20 June |
| Daikon | — | 15 March | sow 5 April |
| Delphinium | 5 February | — | 5 April |
| Dill | — | 15 March | sow 5 April |
| Eggplant | 21 March | 30 May | 20 June |
| Florence fennel | 26 February | 12 April | 3 May |
| Garden sorrel | — | 15 March | sow 5 April |
| Green Beans | 10 March | 16 April | 7 May |
| Hyssop | — | — | sow 5 April |
| Kale | — | 15 March | sow 5 April |
| Kiwano | 2 April | 4 May | 25 May |
| Kohlrabi | — | 15 March | sow 5 April |
| Leek | 4 January | 15 March | 5 April |
| Lemon balm | — | 15 March | sow 5 April |
| Lettuce | — | 15 March | sow 5 April |
| Lisianthus | 18 December | 15 March | 5 April |
| Lovage | — | — | sow 5 April |
| Luffa | 18 April | 30 May | 20 June |
| Marigold | 1 March | 12 April | 3 May |
| Melon | 8 April | 30 May | 20 June |
| Microgreens | — | 17 May | sow 7 June |
| Moringa | 21 April | 15 June | 6 July |
| Mustard greens | — | 15 March | sow 5 April |
| Napa cabbage | 10 March | 12 April | 3 May |
| Nasturtium | 5 March | 12 April | 3 May |
| Okra | 18 April | 30 May | 20 June |
| Oregano | 14 January | 15 March | 5 April |
| Pansy | 18 January | 15 March | 5 April |
| Parsley | — | 15 March | sow 5 April |
| Parsnip | — | — | sow 5 April |
| Peanut | 23 April | 30 May | 20 June |
| Peas | — | 15 March | sow 5 April |
| Petunia | 28 March | 30 May | 20 June |
| Physalis | 20 March | 4 May | 25 May |
| Pumpkin | 28 March | 4 May | 25 May |
| Purple coneflower | 2 February | — | 5 April |
| Radish | — | — | sow 5 April |
| Sage | 25 January | 15 March | 5 April |
| Snapdragon | 9 January | 15 March | 5 April |
| Spinach | — | 15 March | sow 5 April |
| Stevia | 16 March | 4 May | 25 May |
| Stock | — | 15 March | sow 5 April |
| Sunflower | — | 17 May | sow 7 June |
| Sweet Corn | — | 16 April | sow 7 May |
| Sweet pea | 1 February | 15 March | 5 April |
| Sweet William | — | — | sow 5 April |
| Swiss Chard | — | 15 March | sow 5 April |
| Thyme | — | 15 March | sow 5 April |
| Tomato | 8 March | 4 May | 25 May |
| Turnip | — | 15 March | sow 5 April |
| Watercress | — | 15 March | sow 5 April |
| Watermelon | 28 April | 30 May | 20 June |
| Zinnia | 11 May | 15 June | 6 July |
| Zucchini | 2 April | 4 May | 25 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.
Birmingham: 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 |
|---|---|
| Bearded Iris | 20 October |
| Crocus | 20 October |
| Daffodil | 20 October |
| Garlic | 20 October |
| Hyacinth | 20 October |
| Lily | 20 October |
| Peony | 20 October |
| Saffron | 20 October |
| Tulip | 20 October |
| Wild garlic | 20 October |
A month before the first autumn frost, so the roots grow before winter.