Greenly Garden

Last and first frost dates in Ravenna

Italy

In Ravenna the last spring frost usually comes around 5 February and the first autumn frost around 12 December, which leaves about 310 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground from 23 April to 22 August.

Last spring frostaround 5 February
First autumn frostaround 12 December
Frost-free days310 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 Ravenna?

The last frost in Ravenna usually comes around 5 February: 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 15 January, while corn waits until 26 March. The first autumn frost follows around 12 December, about 310 days later: harvest or cover frost-tender crops before then.

When to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha3 January – 3 September12 February – 13 October5 March – 13 October
Ageratumfrom 5 February—from 23 April
Arugula——sow 15 January – 7 November
Basil17 March – 10 October24 April – 17 November15 May – 17 November
Beet——sow 15 January – 13 October
Bell Pepper23 February – 23 June24 April – 22 August15 May – 22 August
Black-eyed Susanfrom 12 December—from 5 March
Bok Choy8 January – 21 October12 February – 25 November5 March – 25 November
Borage——sow 12 February – 18 October
Broad bean——sow 15 January – 3 September
Broccoli——sow 15 January – 27 August
Brussels Sprouts10 November – 25 July25 December – 8 September15 January – 8 September
Busy Lizziefrom 20 November—from 12 February
Cabbage——sow 15 January – 4 August
Calendula——sow from 15 January
Carrot——sow 15 January – 19 September
Cauliflower13 November – 27 August25 December – 8 October15 January – 8 October
Celeriac27 November – 24 June12 February – 9 September5 March – 9 September
Celery27 November – 4 July12 February – 19 September5 March – 19 September
Celosiafrom 20 Februaryfrom 6 Aprilfrom 27 April
Chamomile——sow 15 January – 8 October
Chayote7 December – 17 June5 March – 13 September26 March – 13 September
Chickpea——sow 15 January – 24 August
Chicory30 November – 18 September—15 January – 13 October
Chili Pepper23 February – 30 July24 April – 28 September15 May – 28 September
China asterfrom 3 Marchfrom 24 Aprilfrom 15 May
Chives——sow 15 January – 29 September
Cilantro——sow 15 January – 9 October
Corn——sow 26 March – 24 August
Corn poppy——sow from 15 January
Cosmosfrom 20 Februaryfrom 6 Aprilfrom 27 April
Cucumber27 March – 30 August24 April – 27 September15 May – 27 September
Daikon——sow 15 January – 6 October
Delphiniumfrom 27 October—from 15 January
Dill——sow 15 January – 19 October
Edging lobeliafrom 11 December—from 5 March
Eggplant23 February – 23 June24 April – 22 August15 May – 22 August
Florence fennel29 December – 3 September12 February – 18 October5 March – 18 October
Foxglovefrom 9 October—from 15 January
Garden sorrel——sow 15 January – 7 October
Green Beans——sow 27 April – 1 September
Hollyhock——sow from 15 January
Hyssop——sow 15 January – 30 August
Kale——sow 15 January – 1 October
Kiwano1 March – 6 September2 April – 8 October23 April – 8 October
Kohlrabi——sow 15 January – 11 October
Leek16 October – 15 June25 December – 24 August15 January – 24 August
Lemon balm——sow 15 January – 3 October
Lettuce——sow 15 January – 16 October
Lisianthusfrom 29 Septemberfrom 25 Decemberfrom 15 January
Lovage——sow from 15 January
Luffa13 March – 1 July24 April – 12 August15 May – 12 August
Marigoldfrom 1 Januaryfrom 12 Februaryfrom 5 March
Marjoram23 February – 18 September—15 May – 17 November
Melon27 March – 17 August24 April – 14 September15 May – 14 September
Microgreens——sow 27 April – 28 November
Moringa14 March – 23 September8 May – 17 November29 May – 17 November
Moss rosefrom 27 November—from 12 February
Mustard greens——sow 15 January – 28 October
Napa cabbage10 January – 28 September12 February – 31 October5 March – 31 October
Nasturtiumfrom 5 Januaryfrom 12 Februaryfrom 5 March
Okra13 March – 11 September24 April – 23 October15 May – 23 October
Oregano26 October – 8 September25 December – 7 November15 January – 7 November
Pansyfrom 30 Octoberfrom 25 Decemberfrom 15 January
Parsley——sow 15 January – 27 September
Parsnip——sow 15 January – 16 August
Peanut18 March – 7 August24 April – 13 September15 May – 13 September
Peas——sow 15 January – 29 September
Petuniafrom 20 Februaryfrom 24 Aprilfrom 15 May
Physalis16 February – 4 August2 April – 18 September23 April – 18 September
Pumpkin13 March – 6 July24 April – 17 August15 May – 17 August
Purple coneflowerfrom 24 October—from 15 January
Radish——sow 15 January – 12 November
Sage6 November – 4 September25 December – 23 October15 January – 23 October
Scarlet sagefrom 9 February—from 23 April
Snapdragonfrom 21 Octoberfrom 25 Decemberfrom 15 January
Soybean——sow 15 May – 23 September
Spinach——sow 15 January – 18 October
Stevia12 February – 26 July2 April – 13 September23 April – 13 September
Stock——sow from 15 January
Sunflower——sow from 27 April
Sweet alyssum——sow from 15 January
Sweet Corn20 February – 18 September14 March – 10 October4 April – 10 October
Sweet peafrom 13 Novemberfrom 25 Decemberfrom 15 January
Sweet William——sow from 15 January
Swiss Chard——sow 15 January – 13 October
Thyme——sow 15 January – 24 August
Tomato9 February – 1 July2 April – 22 August23 April – 22 August
Turnip——sow 15 January – 15 October
Watercress——sow 15 January – 26 October
Watermelon27 March – 5 August24 April – 2 September15 May – 2 September
Zinniafrom 3 Aprilfrom 8 Mayfrom 29 May
Zucchini3 April – 4 September24 April – 25 September15 May – 25 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 Ravenna

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 28 days after the last spring frost and 15 °C 77 days after it.

SoilDateAgainst the last spring frost
5 °Calready in the first week of January—
10 °C5 March28 days later
15 °C23 April77 days later
18 °C15 May99 days later

Frost dates near Ravenna

Of the nearest cities on our list, the last spring frost ends earliest in Rimini (9 February) and latest in Ferrara (21 March).

CityDistanceLast spring frostFirst autumn frost
Cesena30 km21 March1 December
Rimini49 km9 February12 December
San Marino56 km9 February12 December
Ferrara66 km21 March28 November
Bologna69 km10 March29 November

Seeds, seedlings and markets in Ravenna

Within 15 km of Ravenna OpenStreetMap lists 1 garden centre, 1 farm-supply shop and 3 markets (collected 27 October 2026). The nearest farm supply to the city centre is Laghi Daniele vendita e assistenza tosaerba, 3 km away.

Places: © OpenStreetMap contributors, ODbL.

What to grow at home in winter in Ravenna

Frosts in Ravenna usually come from about 12 December to about 5 February. 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 Ravenna by month

Average weather in Ravenna over 2016–2025: the warmest month is July. Months that average 20 °C or more by day: May–October (20.1–29.3 °C). No month averages below 0 °C at night; the coldest nights, in January, average 2.2 °C. About 755 mm of rain falls in a year, on 102 days; May is the wettest month (89 mm) and January the driest (41 mm).

MonthDay, °CNight, °CRain, mmRainy days
January8.72.2417
February11.24649
March14.16.2569
April17.49.6559
May21.3148912
June27.119.2527
July29.321.3466
August2921.2587
September24.917.3789
October20.113.2679
November147.88310
December9.63.5668

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 12 November
Crocusby 12 November
Daffodilby 12 November
Garlic12 November – end of December
Grape hyacinthby 12 November
Helleboreby 12 November
Hyacinthby 12 November
Lilyby 12 November
Ornamental onionby 12 November
Peonyby 12 November
Saffronby 12 November
Snowdropby 12 November
Tulipby 12 November
Wild garlicby 12 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).