GreenlyCharlotte: frost dates
United States
In Charlotte the last spring frost usually comes around 19 March and the first autumn frost around 13 November, which leaves about 239 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 26 March.
| Last spring frost | around 19 March |
|---|---|
| First autumn frost | around 13 November |
| Frost-free days | 239 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 | 24 January | 5 March | 26 March |
| Arugula | — | 5 February | sow 26 February |
| Basil | 13 February | 23 March | 13 April |
| Beet | — | 5 February | sow 26 February |
| Bell Pepper | 8 January | 23 March | 13 April |
| Black-eyed Susan | 23 January | — | 26 March |
| Bok Choy | 29 January | 5 March | 26 March |
| Broad bean | — | 5 February | sow 26 February |
| Broccoli | — | 5 February | sow 26 February |
| Brussels Sprouts | 22 December | 5 February | 26 February |
| Cabbage | — | 5 February | sow 26 February |
| Calendula | — | 5 February | sow 26 February |
| Carrot | — | — | sow 26 February |
| Cauliflower | 25 December | 5 February | 26 February |
| Celeriac | 18 December | 5 March | 26 March |
| Celery | 18 December | 5 March | 26 March |
| Celosia | 21 January | 7 March | 28 March |
| Chamomile | — | 5 February | sow 26 February |
| Chayote | 7 December | 5 March | 26 March |
| Chickpea | — | — | sow 26 February |
| Chili Pepper | 24 January | 8 April | 29 April |
| China aster | 30 January | 23 March | 13 April |
| Chives | — | — | sow 26 February |
| Cilantro | — | 5 February | sow 26 February |
| Corn | — | 5 March | sow 26 March |
| Cosmos | 21 January | 7 March | 28 March |
| Cucumber | 9 February | 23 March | 13 April |
| Daikon | — | 5 February | sow 26 February |
| Delphinium | 29 December | — | 26 February |
| Dill | — | 5 February | sow 26 February |
| Eggplant | 12 January | 23 March | 13 April |
| Florence fennel | 19 January | 5 March | 26 March |
| Garden sorrel | — | 5 February | sow 26 February |
| Green Beans | 27 January | 5 March | 26 March |
| Hyssop | — | — | sow 26 February |
| Kale | — | 5 February | sow 26 February |
| Kiwano | 1 February | 5 March | 26 March |
| Kohlrabi | — | 5 February | sow 26 February |
| Leek | 27 November | 5 February | 26 February |
| Lemon balm | — | 5 February | sow 26 February |
| Lettuce | — | 5 February | sow 26 February |
| Lisianthus | 10 November | 5 February | 26 February |
| Lovage | — | — | sow 26 February |
| Luffa | 9 February | 23 March | 13 April |
| Marigold | 22 January | 5 March | 26 March |
| Melon | 30 January | 23 March | 13 April |
| Microgreens | — | 7 March | sow 28 March |
| Moringa | 12 February | 8 April | 29 April |
| Mustard greens | — | 5 February | sow 26 February |
| Napa cabbage | 31 January | 5 March | 26 March |
| Nasturtium | 26 January | 5 March | 26 March |
| Okra | 9 February | 23 March | 13 April |
| Oregano | 7 December | 5 February | 26 February |
| Pansy | 11 December | 5 February | 26 February |
| Parsley | — | 5 February | sow 26 February |
| Parsnip | — | — | sow 26 February |
| Peanut | 14 February | 23 March | 13 April |
| Peas | — | 5 February | sow 26 February |
| Petunia | 19 January | 23 March | 13 April |
| Physalis | 19 January | 5 March | 26 March |
| Pumpkin | 27 January | 5 March | 26 March |
| Purple coneflower | 26 December | — | 26 February |
| Radish | — | — | sow 26 February |
| Sage | 18 December | 5 February | 26 February |
| Snapdragon | 2 December | 5 February | 26 February |
| Spinach | — | 5 February | sow 26 February |
| Stevia | 15 January | 5 March | 26 March |
| Stock | — | 5 February | sow 26 February |
| Sunflower | — | 7 March | sow 28 March |
| Sweet Corn | — | 5 March | sow 26 March |
| Sweet pea | 25 December | 5 February | 26 February |
| Sweet William | — | — | sow 26 February |
| Swiss Chard | — | 5 February | sow 26 February |
| Thyme | — | 5 February | sow 26 February |
| Tomato | 7 January | 5 March | 26 March |
| Turnip | — | 5 February | sow 26 February |
| Watercress | — | 5 February | sow 26 February |
| Watermelon | 19 February | 23 March | 13 April |
| Zinnia | 4 March | 8 April | 29 April |
| Zucchini | 1 February | 5 March | 26 March |
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.
Charlotte: 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 | 14 October |
| Crocus | 14 October |
| Daffodil | 14 October |
| Garlic | 14 October |
| Hyacinth | 14 October |
| Lily | 14 October |
| Peony | 14 October |
| Saffron | 14 October |
| Tulip | 14 October |
| Wild garlic | 14 October |
A month before the first autumn frost, so the roots grow before winter.