Greenly Garden

Last and first frost dates in Izmir

Turkey

In Izmir the last spring frost usually comes around 19 March and the first autumn frost around 7 December, which leaves about 263 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground from 28 April to 17 August.

Last spring frostaround 19 March
First autumn frostaround 7 December
Frost-free days263 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 Izmir?

The last frost in Izmir usually comes around 19 March: 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 26 February, while corn waits until 5 April. The first autumn frost follows around 7 December, about 263 days later: harvest or cover frost-tender crops before then.

When to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha24 January – 29 August5 March – 8 October26 March – 8 October
Ageratumfrom 10 February—from 28 April
Arugula——sow 26 February – 2 November
Basil15 March – 5 October22 April – 12 November13 May – 12 November
Beet——sow 26 February – 8 October
Bell Pepper21 February – 18 June22 April – 17 August13 May – 17 August
Black-eyed Susanfrom 2 January—from 26 March
Bok Choy29 January – 16 October5 March – 20 November26 March – 20 November
Borage——sow 26 March – 13 October
Broad bean——sow 26 February – 29 August
Broccoli——sow 26 February – 22 August
Brussels Sprouts22 December – 20 July5 February – 3 September26 February – 3 September
Busy Lizziefrom 1 January—from 26 March
Cabbage——sow 26 February – 30 July
Calendula——sow from 26 February
Carrot——sow 26 February – 14 September
Cauliflower25 December – 22 August5 February – 3 October26 February – 3 October
Celeriac18 December – 19 June5 March – 4 September26 March – 4 September
Celery18 December – 29 June5 March – 14 September26 March – 14 September
Celosiafrom 23 Februaryfrom 9 Aprilfrom 30 April
Chamomile——sow 26 February – 3 October
Chayote17 December – 12 June15 March – 8 September5 April – 8 September
Chickpea——sow 26 February – 19 August
Chicory11 January – 13 September—26 February – 8 October
Chili Pepper21 February – 25 July22 April – 23 September13 May – 23 September
China asterfrom 1 Marchfrom 22 Aprilfrom 13 May
Chives——sow 26 February – 24 September
Cilantro——sow 26 February – 4 October
Corn——sow 5 April – 19 August
Corn poppy——sow from 26 February
Cosmosfrom 23 Februaryfrom 9 Aprilfrom 30 April
Cucumber25 March – 25 August22 April – 22 September13 May – 22 September
Daikon——sow 26 February – 1 October
Delphiniumfrom 8 December—from 26 February
Dill——sow 26 February – 14 October
Edging lobeliafrom 1 January—from 26 March
Eggplant21 February – 18 June22 April – 17 August13 May – 17 August
Florence fennel19 January – 29 August5 March – 13 October26 March – 13 October
Foxglovefrom 20 November—from 26 February
Garden sorrel——sow 26 February – 2 October
Green Beans——sow 30 April – 27 August
Hollyhock——sow from 26 February
Hyssop——sow 26 February – 25 August
Kale——sow 26 February – 26 September
Kiwano6 March – 1 September7 April – 3 October28 April – 3 October
Kohlrabi——sow 26 February – 6 October
Leek27 November – 10 June5 February – 19 August26 February – 19 August
Lemon balm——sow 26 February – 28 September
Lettuce——sow 26 February – 11 October
Lisianthusfrom 10 Novemberfrom 5 Februaryfrom 26 February
Lovage——sow from 26 February
Luffa11 March – 26 June22 April – 7 August13 May – 7 August
Marigoldfrom 22 Januaryfrom 5 Marchfrom 26 March
Marjoram21 February – 13 September—13 May – 12 November
Melon25 March – 12 August22 April – 9 September13 May – 9 September
Microgreens——sow 30 April – 23 November
Moringa8 March – 18 September2 May – 12 November23 May – 12 November
Moss rosefrom 8 January—from 26 March
Mustard greens——sow 26 February – 23 October
Napa cabbage31 January – 23 September5 March – 26 October26 March – 26 October
Nasturtiumfrom 26 Januaryfrom 5 Marchfrom 26 March
Okra11 March – 6 September22 April – 18 October13 May – 18 October
Oregano7 December – 3 September5 February – 2 November26 February – 2 November
Pansyfrom 11 Decemberfrom 5 Februaryfrom 26 February
Parsley——sow 26 February – 22 September
Parsnip——sow 26 February – 11 August
Peanut16 March – 2 August22 April – 8 September13 May – 8 September
Peas——sow 26 February – 24 September
Petuniafrom 18 Februaryfrom 22 Aprilfrom 13 May
Physalis21 February – 30 July7 April – 13 September28 April – 13 September
Pumpkin11 March – 1 July22 April – 12 August13 May – 12 August
Purple coneflowerfrom 5 December—from 26 February
Radish——sow 26 February – 7 November
Sage18 December – 30 August5 February – 18 October26 February – 18 October
Scarlet sagefrom 14 February—from 28 April
Snapdragonfrom 2 Decemberfrom 5 Februaryfrom 26 February
Soybean——sow 13 May – 18 September
Spinach——sow 26 February – 13 October
Stevia17 February – 21 July7 April – 8 September28 April – 8 September
Stock——sow from 26 February
Sunflower——sow from 30 April
Sweet alyssum——sow from 26 February
Sweet Corn1 March – 13 September23 March – 5 October13 April – 5 October
Sweet peafrom 25 Decemberfrom 5 Februaryfrom 26 February
Sweet William——sow from 26 February
Swiss Chard——sow 26 February – 8 October
Thyme——sow 26 February – 19 August
Tomato14 February – 26 June7 April – 17 August28 April – 17 August
Turnip——sow 26 February – 10 October
Watercress——sow 26 February – 21 October
Watermelon25 March – 31 July22 April – 28 August13 May – 28 August
Zinniafrom 28 Marchfrom 2 Mayfrom 23 May
Zucchini1 April – 30 August22 April – 20 September13 May – 20 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. 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 Izmir

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 11 days before the last spring frost and 15 °C 40 days after it.

SoilDateAgainst the last spring frost
5 °Calready in the first week of January—
10 °C8 March11 days earlier
15 °C28 April40 days later
18 °C13 May55 days later

Frost dates near Izmir

Of the nearest cities on our list, the last spring frost ends earliest in Antalya (2 February) and latest in Eskişehir (13 April).

CityDistanceLast spring frostFirst autumn frost
Bursa258 km21 March6 December
Athens301 km12 February—
Istanbul329 km28 February26 December
Eskişehir329 km13 April4 November
Antalya357 km2 February29 December

Seeds, seedlings and markets in Izmir

Within 15 km of Izmir OpenStreetMap lists 47 markets and 3 farm shops (collected 28 October 2026). The nearest market to the city centre is Hamza Rüstem Pasajı, 0 km away.

Places: © OpenStreetMap contributors, ODbL.

What to grow at home in winter in Izmir

Frosts in Izmir usually come from about 7 December to about 19 March. 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 Izmir by month

Average weather in Izmir over 2016–2025: the warmest month is July. Months that average 20 °C or more by day: May–October (21.7–33.1 °C). Months that average 30 °C or more by day: July (33.1 °C) and August (32.6 °C). No month averages below 0 °C at night; the coldest nights, in January, average 1.9 °C. About 692 mm of rain falls in a year, on 82 days; January is the wettest month (142 mm) and July the driest (3 mm).

MonthDay, °CNight, °CRain, mmRainy days
January91.914211
February112.87510
March13.84.57610
April18.68.3518
May23.412.6538
June28.917.5366
July33.120.431
August32.620.562
September27.916.6193
October21.711.9344
November16.27.9949
December10.9410310

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 7 November
Crocusby 7 November
Daffodilby 7 November
Garlic7 November – end of December
Grape hyacinthby 7 November
Helleboreby 7 November
Hyacinthby 7 November
Lilyby 7 November
Ornamental onionby 7 November
Peonyby 7 November
Saffronby 7 November
Snowdropby 7 November
Tulipby 7 November
Wild garlicby 7 November

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).