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Last and first frost dates in Talca

Chile

In Talca the last spring frost usually comes around 21 August and the first autumn frost around 13 June, which leaves about 296 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground from 15 October to 21 February.

Last spring frostaround 21 August
First autumn frostaround 13 June
Frost-free days296 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 is the last frost in Talca?

The last frost in Talca usually comes around 21 August: that is the median of 2016–2025, so in about half of those years the last night at or below 0 °C came later. Hardy crops start before it and frost-tender ones only after it: in the table below arugula can go into open ground from 31 July, while corn waits until 26 September. The first autumn frost follows around 13 June, about 296 days later: harvest or cover frost-tender crops before then.

When to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha28 June – 4 March7 August – 13 April28 August – 13 April
Ageratumfrom 30 July—from 15 October
Arugula——sow 31 July – 8 May
Basil8 September – 10 April16 October – 18 May6 November – 18 May
Beet——sow 31 July – 13 April
Bell Pepper17 August – 23 December16 October – 21 February6 November – 21 February
Black-eyed Susanfrom 6 June—from 28 August
Bok Choy3 July – 21 April7 August – 26 May28 August – 26 May
Borage——sow 28 August – 18 April
Broad bean——sow 31 July – 4 March
Broccoli——sow 31 July – 26 February
Brussels Sprouts26 May – 24 January10 July – 9 March31 July – 9 March
Busy Lizziefrom 5 June—from 28 August
Cabbage——sow 31 July – 3 February
Calendula——sow from 31 July
Carrot——sow 31 July – 20 March
Cauliflower29 May – 26 February10 July – 8 April31 July – 8 April
Celeriac22 May – 24 December7 August – 10 March28 August – 10 March
Celery22 May – 3 January7 August – 20 March28 August – 20 March
Celosiafrom 17 Augustfrom 1 Octoberfrom 22 October
Chamomile——sow 31 July – 8 April
Chayote9 June – 17 December5 September – 14 March26 September – 14 March
Chickpea——sow 31 July – 23 February
Chicory15 June – 19 March—31 July – 13 April
Chili Pepper17 August – 29 January16 October – 29 March6 November – 29 March
China asterfrom 25 Augustfrom 16 Octoberfrom 6 November
Chives——sow 31 July – 30 March
Cilantro——sow 31 July – 9 April
Corn——sow 26 September – 23 February
Corn poppy——sow from 31 July
Cosmosfrom 17 Augustfrom 1 Octoberfrom 22 October
Cucumber18 September – 29 February16 October – 28 March6 November – 28 March
Daikon——sow 31 July – 6 April
Delphiniumfrom 12 May—from 31 July
Dill——sow 31 July – 19 April
Edging lobeliafrom 5 June—from 28 August
Eggplant17 August – 23 December16 October – 21 February6 November – 21 February
Florence fennel23 June – 4 March7 August – 18 April28 August – 18 April
Foxglovefrom 24 April—from 31 July
Garden sorrel——sow 31 July – 7 April
Green Beans——sow 22 October – 2 March
Hollyhock——sow from 31 July
Hyssop——sow 31 July – 29 February
Kale——sow 31 July – 1 April
Kiwano23 August – 7 March24 September – 8 April15 October – 8 April
Kohlrabi——sow 31 July – 11 April
Leek1 May – 15 December10 July – 23 February31 July – 23 February
Lemon balm——sow 31 July – 3 April
Lettuce——sow 31 July – 16 April
Lisianthusfrom 14 Aprilfrom 10 Julyfrom 31 July
Lovage——sow from 31 July
Luffa4 September – 31 December16 October – 11 February6 November – 11 February
Marigoldfrom 26 Junefrom 7 Augustfrom 28 August
Marjoram17 August – 19 March—6 November – 18 May
Melon18 September – 16 February16 October – 15 March6 November – 15 March
Microgreens——sow 22 October – 29 May
Moringa30 August – 24 March24 October – 18 May14 November – 18 May
Moss rosefrom 12 June—from 28 August
Mustard greens——sow 31 July – 28 April
Napa cabbage5 July – 29 March7 August – 1 May28 August – 1 May
Nasturtiumfrom 30 Junefrom 7 Augustfrom 28 August
Okra4 September – 12 March16 October – 23 April6 November – 23 April
Oregano11 May – 9 March10 July – 8 May31 July – 8 May
Pansyfrom 15 Mayfrom 10 Julyfrom 31 July
Parsley——sow 31 July – 28 March
Parsnip——sow 31 July – 15 February
Peanut9 September – 6 February16 October – 14 March6 November – 14 March
Peas——sow 31 July – 30 March
Petuniafrom 14 Augustfrom 16 Octoberfrom 6 November
Physalis10 August – 3 February24 September – 19 March15 October – 19 March
Pumpkin4 September – 5 January16 October – 16 February6 November – 16 February
Purple coneflowerfrom 9 May—from 31 July
Radish——sow 31 July – 13 May
Sage22 May – 5 March10 July – 23 April31 July – 23 April
Scarlet sagefrom 3 August—from 15 October
Snapdragonfrom 6 Mayfrom 10 Julyfrom 31 July
Soybean——sow 6 November – 24 March
Spinach——sow 31 July – 18 April
Stevia6 August – 25 January24 September – 14 March15 October – 14 March
Stock——sow from 31 July
Sunflower——sow from 22 October
Sweet alyssum——sow from 31 July
Sweet Corn17 August – 19 March8 September – 10 April29 September – 10 April
Sweet peafrom 29 Mayfrom 10 Julyfrom 31 July
Sweet William——sow from 31 July
Swiss Chard——sow 31 July – 13 April
Thyme——sow 31 July – 23 February
Tomato3 August – 31 December24 September – 21 February15 October – 21 February
Turnip——sow 31 July – 15 April
Watercress——sow 31 July – 26 April
Watermelon18 September – 4 February16 October – 3 March6 November – 3 March
Zinniafrom 19 Septemberfrom 24 Octoberfrom 14 November
Zucchini25 September – 5 March16 October – 26 March6 November – 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. Each window starts on the Greenly calendar date and ends on the last day that still leaves the crop’s days to harvest (from its card) before the average first autumn frost, plus six weeks of picking for crops harvested over weeks (tomatoes, peppers, aubergines, cucumbers, courgettes, pumpkins, watermelons, beans) — our rule; earlier in the window is safer.

When the soil warms up in Talca

The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo). The soil reaches 10 °C 3 days after the last spring frost and 15 °C 55 days after it.

SoilDateAgainst the last spring frost
5 °Calready in the first week of July—
10 °C24 August3 days later
15 °C15 October55 days later
18 °C6 November77 days later

Frost dates near Talca

Of the nearest cities on our list, the last spring frost ends earliest in Concepción (19 July) and latest in Chillán (30 August).

CityDistanceLast spring frostFirst autumn frost
Curicó61 km25 August7 June
Chillán138 km30 August12 June
Rancagua162 km18 August12 June
Concepción201 km19 July13 June
Los Ángeles236 km25 August1 June

Seeds, seedlings and markets in Talca

Within 15 km of Talca OpenStreetMap lists 1 garden centre, 2 plant nurseries, 8 markets and 1 farm shop (collected 27 October 2026). The nearest plant nursery to the city centre is Vivero Oasis, 9 km away.

Places: © OpenStreetMap contributors, ODbL.

What to grow at home in winter in Talca

Frosts in Talca usually come from about 13 June to about 21 August. These plants have indoor care in their Greenly cards and are harvested quickly, so they can be sown on a windowsill in winter.

Weather in Talca by month

Average weather in Talca over 2016–2025: the warmest month is January. Months that average 20 °C or more by day: October–April (20.3–30.5 °C). Months that average 30 °C or more by day: January (30.5 °C) and February (30 °C). No month averages below 0 °C at night; the coldest nights, in July, average 3.3 °C. About 636 mm of rain falls in a year, on 59 days; June is the wettest month (156 mm) and February the driest (4 mm).

MonthDay, °CNight, °CRain, mmRainy days
January30.514.4111
February3014.341
March26.91271
April20.78.8475
May15.36.2958
June12.74.515611
July12.53.3999
August14.14.21068
September16.75.5617
October20.37.3285
November25.110.2172
December28.712.851

Average of the daily highs and lows, rain per month and days with at least 1 mm (ERA5 via Open-Meteo, the same grid cell as the frost dates).

Planted in autumn

CropWhen to plant
Bearded Irisby 14 May
Crocusby 14 May
Daffodilby 14 May
Garlic14 May – end of June
Grape hyacinthby 14 May
Helleboreby 14 May
Hyacinthby 14 May
Lilyby 14 May
Ornamental onionby 14 May
Peonyby 14 May
Saffronby 14 May
Snowdropby 14 May
Tulipby 14 May
Wild garlicby 14 May

From a month before the first autumn frost, so the roots grow before winter, to the late-planting limit on each crop’s page (about two weeks before the ground freezes, by ten years of weather).