Greenly Garden

Last and first frost dates in Bursa

Turkey

In Bursa the last spring frost usually comes around 21 March and the first autumn frost around 6 December, which leaves about 260 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground from 29 April to 16 August.

Last spring frostaround 21 March
First autumn frostaround 6 December
Frost-free days260 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 Bursa?

The last frost in Bursa usually comes around 21 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 28 February, while corn waits until 2 April. The first autumn frost follows around 6 December, about 260 days later: harvest or cover frost-tender crops before then.

When to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha26 January – 28 August7 March – 7 October28 March – 7 October
Ageratumfrom 11 February—from 29 April
Arugula——sow 28 February – 1 November
Basil19 March – 4 October26 April – 11 November17 May – 11 November
Beet——sow 28 February – 7 October
Bell Pepper25 February – 17 June26 April – 16 August17 May – 16 August
Black-eyed Susanfrom 4 January—from 28 March
Bok Choy31 January – 15 October7 March – 19 November28 March – 19 November
Borage——sow 28 March – 12 October
Broad bean——sow 28 February – 28 August
Broccoli——sow 28 February – 21 August
Brussels Sprouts24 December – 19 July7 February – 2 September28 February – 2 September
Busy Lizziefrom 3 January—from 28 March
Cabbage——sow 28 February – 29 July
Calendula——sow from 28 February
Carrot——sow 28 February – 13 September
Cauliflower27 December – 21 August7 February – 2 October28 February – 2 October
Celeriac20 December – 18 June7 March – 3 September28 March – 3 September
Celery20 December – 28 June7 March – 13 September28 March – 13 September
Celosiafrom 25 Februaryfrom 11 Aprilfrom 2 May
Chamomile——sow 28 February – 2 October
Chayote14 December – 11 June12 March – 7 September2 April – 7 September
Chickpea——sow 28 February – 18 August
Chicory13 January – 12 September—28 February – 7 October
Chili Pepper25 February – 24 July26 April – 22 September17 May – 22 September
China asterfrom 5 Marchfrom 26 Aprilfrom 17 May
Chives——sow 28 February – 23 September
Cilantro——sow 28 February – 3 October
Corn——sow 2 April – 18 August
Corn poppy——sow from 28 February
Cosmosfrom 25 Februaryfrom 11 Aprilfrom 2 May
Cucumber29 March – 24 August26 April – 21 September17 May – 21 September
Daikon——sow 28 February – 30 September
Delphiniumfrom 10 December—from 28 February
Dill——sow 28 February – 13 October
Edging lobeliafrom 3 January—from 28 March
Eggplant25 February – 17 June26 April – 16 August17 May – 16 August
Florence fennel21 January – 28 August7 March – 12 October28 March – 12 October
Foxglovefrom 22 November—from 28 February
Garden sorrel——sow 28 February – 1 October
Green Beans——sow 2 May – 26 August
Hollyhock——sow from 28 February
Hyssop——sow 28 February – 24 August
Kale——sow 28 February – 25 September
Kiwano7 March – 31 August8 April – 2 October29 April – 2 October
Kohlrabi——sow 28 February – 5 October
Leek29 November – 9 June7 February – 18 August28 February – 18 August
Lemon balm——sow 28 February – 27 September
Lettuce——sow 28 February – 10 October
Lisianthusfrom 12 Novemberfrom 7 Februaryfrom 28 February
Lovage——sow from 28 February
Luffa15 March – 25 June26 April – 6 August17 May – 6 August
Marigoldfrom 24 Januaryfrom 7 Marchfrom 28 March
Marjoram25 February – 12 September—17 May – 11 November
Melon29 March – 11 August26 April – 8 September17 May – 8 September
Microgreens——sow 2 May – 22 November
Moringa16 March – 17 September10 May – 11 November31 May – 11 November
Moss rosefrom 10 January—from 28 March
Mustard greens——sow 28 February – 22 October
Napa cabbage2 February – 22 September7 March – 25 October28 March – 25 October
Nasturtiumfrom 28 Januaryfrom 7 Marchfrom 28 March
Okra15 March – 5 September26 April – 17 October17 May – 17 October
Oregano9 December – 2 September7 February – 1 November28 February – 1 November
Pansyfrom 13 Decemberfrom 7 Februaryfrom 28 February
Parsley——sow 28 February – 21 September
Parsnip——sow 28 February – 10 August
Peanut20 March – 1 August26 April – 7 September17 May – 7 September
Peas——sow 28 February – 23 September
Petuniafrom 22 Februaryfrom 26 Aprilfrom 17 May
Physalis22 February – 29 July8 April – 12 September29 April – 12 September
Pumpkin15 March – 30 June26 April – 11 August17 May – 11 August
Purple coneflowerfrom 7 December—from 28 February
Radish——sow 28 February – 6 November
Sage20 December – 29 August7 February – 17 October28 February – 17 October
Scarlet sagefrom 15 February—from 29 April
Snapdragonfrom 4 Decemberfrom 7 Februaryfrom 28 February
Soybean——sow 17 May – 17 September
Spinach——sow 28 February – 12 October
Stevia18 February – 20 July8 April – 7 September29 April – 7 September
Stock——sow from 28 February
Sunflower——sow from 2 May
Sweet alyssum——sow from 28 February
Sweet Corn27 February – 12 September21 March – 4 October11 April – 4 October
Sweet peafrom 27 Decemberfrom 7 Februaryfrom 28 February
Sweet William——sow from 28 February
Swiss Chard——sow 28 February – 7 October
Thyme——sow 28 February – 18 August
Tomato15 February – 25 June8 April – 16 August29 April – 16 August
Turnip——sow 28 February – 9 October
Watercress——sow 28 February – 20 October
Watermelon29 March – 30 July26 April – 27 August17 May – 27 August
Zinniafrom 5 Aprilfrom 10 Mayfrom 31 May
Zucchini5 April – 29 August26 April – 19 September17 May – 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. 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 Bursa

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 13 days before the last spring frost and 15 °C 39 days after it.

SoilDateAgainst the last spring frost
5 °C8 January72 days earlier
10 °C8 March13 days earlier
15 °C29 April39 days later
18 °C17 May57 days later

Frost dates near Bursa

Of the nearest cities on our list, the last spring frost ends earliest in Istanbul (28 February) and latest in Ankara (15 April).

CityDistanceLast spring frostFirst autumn frost
Istanbul90 km28 February26 December
Eskişehir133 km13 April4 November
Izmir258 km19 March7 December
Burgas289 km10 March4 December
Ankara325 km15 April3 November

Seeds, seedlings and markets in Bursa

Within 15 km of Bursa OpenStreetMap lists 17 markets (collected 28 October 2026). The nearest market to the city centre is Yunuseli Pazar Yeri, 7 km away.

Places: © OpenStreetMap contributors, ODbL.

What to grow at home in winter in Bursa

Frosts in Bursa usually come from about 6 December to about 21 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 Bursa by month

Average weather in Bursa over 2016–2025: the warmest month is August. Months that average 20 °C or more by day: May–October (21.4–31.3 °C). Months that average 30 °C or more by day: July (31.1 °C) and August (31.3 °C). No month averages below 0 °C at night; the coldest nights, in January, average 1.6 °C. About 850 mm of rain falls in a year, on 109 days; December is the wettest month (120 mm) and August the driest (20 mm).

MonthDay, °CNight, °CRain, mmRainy days
January10.31.611514
February12.12.78010
March14.54.29312
April18.67.57910
May22.911.77711
June27.816.5558
July31.118.9304
August31.319.4204
September27.316376
October21.411.2658
November177.4799
December12.34.212013

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 6 November
Crocusby 6 November
Daffodilby 6 November
Garlic6 November – end of December
Grape hyacinthby 6 November
Helleboreby 6 November
Hyacinthby 6 November
Lilyby 6 November
Ornamental onionby 6 November
Peonyby 6 November
Saffronby 6 November
Snowdropby 6 November
Tulipby 6 November
Wild garlicby 6 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).