GreenlyLa Plata: frost dates
Argentina
In La Plata the last spring frost usually comes around 30 July and the first autumn frost around 17 June, which leaves about 322 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 19 September.
| Last spring frost | around 30 July |
|---|---|
| First autumn frost | around 17 June |
| Frost-free days | 322 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 | 17 July | 29 September | 20 October |
| Chili Pepper | 8 August | 21 October | 11 November |
| Corn | — | 16 July | sow 6 August |
| Cucumber | 18 August | 29 September | 20 October |
| Eggplant | 21 July | 29 September | 20 October |
| Green Beans | 9 June | 16 July | 6 August |
| Melon | 8 August | 29 September | 20 October |
| Peas | — | 18 June | sow 9 July |
| Physalis | 15 July | 29 August | 19 September |
| Pumpkin | 23 July | 29 August | 19 September |
| Sweet Corn | — | 16 July | sow 6 August |
| Tomato | 3 July | 29 August | 19 September |
| Watermelon | 28 August | 29 September | 20 October |
| Zucchini | 28 July | 29 August | 19 September |
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.
La Plata: weather for the next 7 days
Forecast by Open-Meteo. Nights at or below 0 °C are marked as frost.
Planted in autumn
A month before the first autumn frost, so the roots grow before winter.