GreenlyKansas City: frost dates
United States
In Kansas City the last spring frost usually comes around 7 April and the first autumn frost around 1 November, which leaves about 208 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 18 April.
| Last spring frost | around 7 April |
|---|---|
| First autumn frost | around 1 November |
| Frost-free days | 208 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 | 12 February | 24 March | 14 April |
| Arugula | — | 24 February | sow 17 March |
| Basil | 9 March | 16 April | 7 May |
| Beet | — | 24 February | sow 17 March |
| Bell Pepper | 1 February | 16 April | 7 May |
| Black-eyed Susan | 11 February | — | 14 April |
| Bok Choy | 17 February | 24 March | 14 April |
| Broad bean | — | 24 February | sow 17 March |
| Broccoli | — | 24 February | sow 17 March |
| Brussels Sprouts | 10 January | 24 February | 17 March |
| Cabbage | — | 24 February | sow 17 March |
| Calendula | — | 24 February | sow 17 March |
| Carrot | — | — | sow 17 March |
| Cauliflower | 13 January | 24 February | 17 March |
| Celeriac | 6 January | 24 March | 14 April |
| Celery | 6 January | 24 March | 14 April |
| Celosia | 25 February | 11 April | 2 May |
| Chamomile | — | 24 February | sow 17 March |
| Chayote | 26 December | 24 March | 14 April |
| Chickpea | — | — | sow 17 March |
| Chili Pepper | 12 February | 27 April | 18 May |
| China aster | 23 February | 16 April | 7 May |
| Chives | — | — | sow 17 March |
| Cilantro | — | 24 February | sow 17 March |
| Corn | — | 24 March | sow 14 April |
| Cosmos | 25 February | 11 April | 2 May |
| Cucumber | 5 March | 16 April | 7 May |
| Daikon | — | 24 February | sow 17 March |
| Delphinium | 17 January | — | 17 March |
| Dill | — | 24 February | sow 17 March |
| Eggplant | 5 February | 16 April | 7 May |
| Florence fennel | 7 February | 24 March | 14 April |
| Garden sorrel | — | 24 February | sow 17 March |
| Green Beans | 15 February | 24 March | 14 April |
| Hyssop | — | — | sow 17 March |
| Kale | — | 24 February | sow 17 March |
| Kiwano | 24 February | 28 March | 18 April |
| Kohlrabi | — | 24 February | sow 17 March |
| Leek | 16 December | 24 February | 17 March |
| Lemon balm | — | 24 February | sow 17 March |
| Lettuce | — | 24 February | sow 17 March |
| Lisianthus | 29 November | 24 February | 17 March |
| Lovage | — | — | sow 17 March |
| Luffa | 5 March | 16 April | 7 May |
| Marigold | 10 February | 24 March | 14 April |
| Melon | 23 February | 16 April | 7 May |
| Microgreens | — | 11 April | sow 2 May |
| Moringa | 3 March | 27 April | 18 May |
| Mustard greens | — | 24 February | sow 17 March |
| Napa cabbage | 19 February | 24 March | 14 April |
| Nasturtium | 14 February | 24 March | 14 April |
| Okra | 5 March | 16 April | 7 May |
| Oregano | 26 December | 24 February | 17 March |
| Pansy | 30 December | 24 February | 17 March |
| Parsley | — | 24 February | sow 17 March |
| Parsnip | — | — | sow 17 March |
| Peanut | 10 March | 16 April | 7 May |
| Peas | — | 24 February | sow 17 March |
| Petunia | 12 February | 16 April | 7 May |
| Physalis | 11 February | 28 March | 18 April |
| Pumpkin | 19 February | 28 March | 18 April |
| Purple coneflower | 14 January | — | 17 March |
| Radish | — | — | sow 17 March |
| Sage | 6 January | 24 February | 17 March |
| Snapdragon | 21 December | 24 February | 17 March |
| Spinach | — | 24 February | sow 17 March |
| Stevia | 7 February | 28 March | 18 April |
| Stock | — | 24 February | sow 17 March |
| Sunflower | — | 11 April | sow 2 May |
| Sweet Corn | — | 24 March | sow 14 April |
| Sweet pea | 13 January | 24 February | 17 March |
| Sweet William | — | — | sow 17 March |
| Swiss Chard | — | 24 February | sow 17 March |
| Thyme | — | 24 February | sow 17 March |
| Tomato | 30 January | 28 March | 18 April |
| Turnip | — | 24 February | sow 17 March |
| Watercress | — | 24 February | sow 17 March |
| Watermelon | 15 March | 16 April | 7 May |
| Zinnia | 23 March | 27 April | 18 May |
| Zucchini | 24 February | 28 March | 18 April |
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.
Kansas City: 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 | 2 October |
| Crocus | 2 October |
| Daffodil | 2 October |
| Garlic | 2 October |
| Hyacinth | 2 October |
| Lily | 2 October |
| Peony | 2 October |
| Saffron | 2 October |
| Tulip | 2 October |
| Wild garlic | 2 October |
A month before the first autumn frost, so the roots grow before winter.