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 |
|---|---|---|---|
| Bell Pepper | 8 January | 23 March | 13 April |
| Chili Pepper | 24 January | 8 April | 29 April |
| Corn | — | 5 March | sow 26 March |
| Cucumber | 9 February | 23 March | 13 April |
| Eggplant | 12 January | 23 March | 13 April |
| Green Beans | 27 January | 5 March | 26 March |
| Melon | 30 January | 23 March | 13 April |
| Peas | — | 5 February | sow 26 February |
| Physalis | 19 January | 5 March | 26 March |
| Pumpkin | 27 January | 5 March | 26 March |
| Sweet Corn | — | 5 March | sow 26 March |
| Tomato | 7 January | 5 March | 26 March |
| Watermelon | 19 February | 23 March | 13 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 |
|---|---|
| Crocus | 14 October |
| Daffodil | 14 October |
| Garlic | 14 October |
| Hyacinth | 14 October |
| Lily | 14 October |
| Tulip | 14 October |
A month before the first autumn frost, so the roots grow before winter.