Greenly Garden

Last and first frost dates in Manresa

Spain

In Manresa the last spring frost usually comes around 18 March and the first autumn frost around 2 December, which leaves about 259 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground from 20 April to 12 August.

Last spring frostaround 18 March
First autumn frostaround 2 December
Frost-free days259 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 Manresa?

The last frost in Manresa usually comes around 18 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 25 February, while corn waits until 25 March. The first autumn frost follows around 2 December, about 259 days later: harvest or cover frost-tender crops before then.

When to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha23 January – 24 August4 March – 3 October25 March – 3 October
Ageratumfrom 2 February—from 20 April
Arugula——sow 25 February – 28 October
Basil15 March – 30 September22 April – 7 November13 May – 7 November
Beet——sow 25 February – 3 October
Bell Pepper21 February – 13 June22 April – 12 August13 May – 12 August
Black-eyed Susanfrom 1 January—from 25 March
Bok Choy28 January – 11 October4 March – 15 November25 March – 15 November
Borage——sow 25 March – 8 October
Broad bean——sow 25 February – 24 August
Broccoli——sow 25 February – 17 August
Brussels Sprouts21 December – 15 July4 February – 29 August25 February – 29 August
Busy Lizziefrom 31 December—from 25 March
Cabbage——sow 25 February – 25 July
Calendula——sow from 25 February
Carrot——sow 25 February – 9 September
Cauliflower24 December – 17 August4 February – 28 September25 February – 28 September
Celeriac17 December – 14 June4 March – 30 August25 March – 30 August
Celery17 December – 24 June4 March – 9 September25 March – 9 September
Celosiafrom 15 Februaryfrom 1 Aprilfrom 22 April
Chamomile——sow 25 February – 28 September
Chayote6 December – 7 June4 March – 3 September25 March – 3 September
Chickpea——sow 25 February – 14 August
Chicory10 January – 8 September—25 February – 3 October
Chili Pepper21 February – 20 July22 April – 18 September13 May – 18 September
China asterfrom 1 Marchfrom 22 Aprilfrom 13 May
Chives——sow 25 February – 19 September
Cilantro——sow 25 February – 29 September
Corn——sow 25 March – 14 August
Corn poppy——sow from 25 February
Cosmosfrom 15 Februaryfrom 1 Aprilfrom 22 April
Cucumber25 March – 20 August22 April – 17 September13 May – 17 September
Daikon——sow 25 February – 26 September
Delphiniumfrom 7 December—from 25 February
Dill——sow 25 February – 9 October
Edging lobeliafrom 31 December—from 25 March
Eggplant21 February – 13 June22 April – 12 August13 May – 12 August
Florence fennel18 January – 24 August4 March – 8 October25 March – 8 October
Foxglovefrom 19 November—from 25 February
Garden sorrel——sow 25 February – 27 September
Green Beans——sow 22 April – 22 August
Hollyhock——sow from 25 February
Hyssop——sow 25 February – 20 August
Kale——sow 25 February – 21 September
Kiwano26 February – 27 August30 March – 28 September20 April – 28 September
Kohlrabi——sow 25 February – 1 October
Leek26 November – 5 June4 February – 14 August25 February – 14 August
Lemon balm——sow 25 February – 23 September
Lettuce——sow 25 February – 6 October
Lisianthusfrom 9 Novemberfrom 4 Februaryfrom 25 February
Lovage——sow from 25 February
Luffa11 March – 21 June22 April – 2 August13 May – 2 August
Marigoldfrom 21 Januaryfrom 4 Marchfrom 25 March
Marjoram21 February – 8 September—13 May – 7 November
Melon25 March – 7 August22 April – 4 September13 May – 4 September
Microgreens——sow 22 April – 18 November
Moringa8 March – 13 September2 May – 7 November23 May – 7 November
Moss rosefrom 7 January—from 25 March
Mustard greens——sow 25 February – 18 October
Napa cabbage30 January – 18 September4 March – 21 October25 March – 21 October
Nasturtiumfrom 25 Januaryfrom 4 Marchfrom 25 March
Okra11 March – 1 September22 April – 13 October13 May – 13 October
Oregano6 December – 29 August4 February – 28 October25 February – 28 October
Pansyfrom 10 Decemberfrom 4 Februaryfrom 25 February
Parsley——sow 25 February – 17 September
Parsnip——sow 25 February – 6 August
Peanut16 March – 28 July22 April – 3 September13 May – 3 September
Peas——sow 25 February – 19 September
Petuniafrom 18 Februaryfrom 22 Aprilfrom 13 May
Physalis13 February – 25 July30 March – 8 September20 April – 8 September
Pumpkin11 March – 26 June22 April – 7 August13 May – 7 August
Purple coneflowerfrom 4 December—from 25 February
Radish——sow 25 February – 2 November
Sage17 December – 25 August4 February – 13 October25 February – 13 October
Scarlet sagefrom 6 February—from 20 April
Snapdragonfrom 1 Decemberfrom 4 Februaryfrom 25 February
Soybean——sow 13 May – 13 September
Spinach——sow 25 February – 8 October
Stevia9 February – 16 July30 March – 3 September20 April – 3 September
Stock——sow from 25 February
Sunflower——sow from 22 April
Sweet alyssum——sow from 25 February
Sweet Corn21 February – 8 September15 March – 30 September5 April – 30 September
Sweet peafrom 24 Decemberfrom 4 Februaryfrom 25 February
Sweet William——sow from 25 February
Swiss Chard——sow 25 February – 3 October
Thyme——sow 25 February – 14 August
Tomato6 February – 21 June30 March – 12 August20 April – 12 August
Turnip——sow 25 February – 5 October
Watercress——sow 25 February – 16 October
Watermelon25 March – 26 July22 April – 23 August13 May – 23 August
Zinniafrom 28 Marchfrom 2 Mayfrom 23 May
Zucchini1 April – 25 August22 April – 15 September13 May – 15 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 Manresa

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 12 days before the last spring frost and 15 °C 33 days after it.

SoilDateAgainst the last spring frost
5 °C8 January69 days earlier
10 °C6 March12 days earlier
15 °C20 April33 days later
18 °C13 May56 days later

Frost dates near Manresa

Of the nearest cities on our list, the last spring frost ends earliest in Tarragona (12 January) and latest in Girona (11 February).

CityDistanceLast spring frostFirst autumn frost
Barcelona47 km24 January12 December
Tarragona83 km12 January—
Girona87 km11 February30 November
Lleida101 km9 February19 December
Perpignan139 km17 January12 December

Seeds, seedlings and markets in Manresa

Within 15 km of Manresa OpenStreetMap lists 2 garden centres, 1 plant nursery, 2 markets and 3 farm shops (collected 28 October 2026). The nearest market to the city centre is Mercat municipal Puigmercadal, 1 km away.

Places: © OpenStreetMap contributors, ODbL.

What to grow at home in winter in Manresa

Frosts in Manresa usually come from about 2 December to about 18 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 Manresa by month

Average weather in Manresa over 2016–2025: the warmest month is July. Months that average 20 °C or more by day: May–October (20.9–31.1 °C). Months that average 30 °C or more by day: July (31.1 °C) and August (30.6 °C). No month averages below 0 °C at night; the coldest nights, in January, average 1.4 °C. About 726 mm of rain falls in a year, on 97 days; October is the wettest month (91 mm) and December the driest (29 mm).

MonthDay, °CNight, °CRain, mmRainy days
January10.51.4424
February13.42.9366
March15.64.9709
April18.27.38611
May22.310.87811
June27.615.9668
July31.118.6477
August30.618.7558
September2514.67611
October20.911.39110
November14.95.6507
December11.72.9295

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 2 November
Crocusby 2 November
Daffodilby 2 November
Garlic1 October – end of December
Grape hyacinthby 2 November
Helleboreby 2 November
Hyacinthby 2 November
Lilyby 2 November
Ornamental onionby 2 November
Peonyby 2 November
Saffronby 2 November
Snowdropby 2 November
Tulipby 2 November
Wild garlicby 2 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).