GreenlyConcepción: frost dates
Chile
In Concepción the last spring frost usually comes around 19 July and the first autumn frost around 13 June, which leaves about 329 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 8 November.
| Last spring frost | around 19 July |
|---|---|
| First autumn frost | around 13 June |
| Frost-free days | 329 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 | 26 May | 5 July | 26 July |
| Arugula | — | 7 June | sow 28 June |
| Basil | 8 October | 15 November | 6 December |
| Beet | — | 7 June | sow 28 June |
| Bell Pepper | 2 September | 15 November | 6 December |
| Black-eyed Susan | 25 May | — | 26 July |
| Bok Choy | 31 May | 5 July | 26 July |
| Broad bean | — | 7 June | sow 28 June |
| Broccoli | — | 7 June | sow 28 June |
| Brussels Sprouts | 23 April | 7 June | 28 June |
| Cabbage | — | 7 June | sow 28 June |
| Calendula | — | 7 June | sow 28 June |
| Carrot | — | — | sow 28 June |
| Cauliflower | 26 April | 7 June | 28 June |
| Celeriac | 19 April | 5 July | 26 July |
| Celery | 19 April | 5 July | 26 July |
| Celosia | 15 September | 30 October | 20 November |
| Chamomile | — | 7 June | sow 28 June |
| Chayote | 23 June | 19 September | 10 October |
| Chickpea | — | — | sow 28 June |
| Chili Pepper | 23 September | 6 December | 27 December |
| China aster | 24 September | 15 November | 6 December |
| Chives | — | — | sow 28 June |
| Cilantro | — | 7 June | sow 28 June |
| Corn | — | 19 September | sow 10 October |
| Cosmos | 15 September | 30 October | 20 November |
| Cucumber | 4 October | 15 November | 6 December |
| Daikon | — | 7 June | sow 28 June |
| Delphinium | 30 April | — | 28 June |
| Dill | — | 7 June | sow 28 June |
| Eggplant | 6 September | 15 November | 6 December |
| Florence fennel | 21 May | 5 July | 26 July |
| Garden sorrel | — | 7 June | sow 28 June |
| Green Beans | 13 August | 19 September | 10 October |
| Hyssop | — | — | sow 28 June |
| Kale | — | 7 June | sow 28 June |
| Kiwano | 16 September | 18 October | 8 November |
| Kohlrabi | — | 7 June | sow 28 June |
| Leek | 29 March | 7 June | 28 June |
| Lemon balm | — | 7 June | sow 28 June |
| Lettuce | — | 7 June | sow 28 June |
| Lisianthus | 12 March | 7 June | 28 June |
| Lovage | — | — | sow 28 June |
| Luffa | 4 October | 15 November | 6 December |
| Marigold | 24 May | 5 July | 26 July |
| Melon | 24 September | 15 November | 6 December |
| Microgreens | — | 30 October | sow 20 November |
| Moringa | 12 October | 6 December | 27 December |
| Mustard greens | — | 7 June | sow 28 June |
| Napa cabbage | 2 June | 5 July | 26 July |
| Nasturtium | 28 May | 5 July | 26 July |
| Okra | 4 October | 15 November | 6 December |
| Oregano | 8 April | 7 June | 28 June |
| Pansy | 12 April | 7 June | 28 June |
| Parsley | — | 7 June | sow 28 June |
| Parsnip | — | — | sow 28 June |
| Peanut | 9 October | 15 November | 6 December |
| Peas | — | 7 June | sow 28 June |
| Petunia | 13 September | 15 November | 6 December |
| Physalis | 3 September | 18 October | 8 November |
| Pumpkin | 11 September | 18 October | 8 November |
| Purple coneflower | 27 April | — | 28 June |
| Radish | — | — | sow 28 June |
| Sage | 19 April | 7 June | 28 June |
| Snapdragon | 3 April | 7 June | 28 June |
| Spinach | — | 7 June | sow 28 June |
| Stevia | 30 August | 18 October | 8 November |
| Stock | — | 7 June | sow 28 June |
| Sunflower | — | 30 October | sow 20 November |
| Sweet Corn | — | 19 September | sow 10 October |
| Sweet pea | 26 April | 7 June | 28 June |
| Sweet William | — | — | sow 28 June |
| Swiss Chard | — | 7 June | sow 28 June |
| Thyme | — | 7 June | sow 28 June |
| Tomato | 22 August | 18 October | 8 November |
| Turnip | — | 7 June | sow 28 June |
| Watercress | — | 7 June | sow 28 June |
| Watermelon | 14 October | 15 November | 6 December |
| Zinnia | 1 November | 6 December | 27 December |
| Zucchini | 16 September | 18 October | 8 November |
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.
Concepción: 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 May |
| Crocus | 14 May |
| Daffodil | 14 May |
| Garlic | 14 May |
| Hyacinth | 14 May |
| Lily | 14 May |
| Peony | 14 May |
| Saffron | 14 May |
| Tulip | 14 May |
| Wild garlic | 14 May |
A month before the first autumn frost, so the roots grow before winter.