Greenly Garden

Valencia: frost dates

Spain

Last spring frostaround 15 January
First autumn frostnone in ten years

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 to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha22 November1 January22 January
Arugula—4 Decembersow 25 December
Basil22 February1 April22 April
Beet—4 Decembersow 25 December
Bell Pepper17 January1 April22 April
Black-eyed Susan21 November—22 January
Bok Choy27 November1 January22 January
Broad bean—4 Decembersow 25 December
Broccoli—4 Decembersow 25 December
Brussels Sprouts20 October4 December25 December
Cabbage—4 Decembersow 25 December
Calendula—4 Decembersow 25 December
Carrot——sow 25 December
Cauliflower23 October4 December25 December
Celeriac16 October1 January22 January
Celery16 October1 January22 January
Celosia8 January22 February15 March
Chamomile—4 Decembersow 25 December
Chayote5 October1 January22 January
Chickpea——sow 25 December
Chili Pepper3 February18 April9 May
China aster8 February1 April22 April
Chives——sow 25 December
Cilantro—4 Decembersow 25 December
Corn—1 Januarysow 22 January
Cosmos8 January22 February15 March
Cucumber18 February1 April22 April
Daikon—4 Decembersow 25 December
Delphinium27 October—25 December
Dill—4 Decembersow 25 December
Eggplant21 January1 April22 April
Florence fennel17 November1 January22 January
Garden sorrel—4 Decembersow 25 December
Green Beans25 November1 January22 January
Hyssop——sow 25 December
Kale—4 Decembersow 25 December
Kiwano13 January14 February7 March
Kohlrabi—4 Decembersow 25 December
Leek25 September4 December25 December
Lemon balm—4 Decembersow 25 December
Lettuce—4 Decembersow 25 December
Lisianthus8 September4 December25 December
Lovage——sow 25 December
Luffa18 February1 April22 April
Marigold20 November1 January22 January
Melon8 February1 April22 April
Microgreens—22 Februarysow 15 March
Moringa22 February18 April9 May
Mustard greens—4 Decembersow 25 December
Napa cabbage29 November1 January22 January
Nasturtium24 November1 January22 January
Okra18 February1 April22 April
Oregano5 October4 December25 December
Pansy9 October4 December25 December
Parsley—4 Decembersow 25 December
Parsnip——sow 25 December
Peanut23 February1 April22 April
Peas—4 Decembersow 25 December
Petunia28 January1 April22 April
Physalis31 December14 February7 March
Pumpkin8 January14 February7 March
Purple coneflower24 October—25 December
Radish——sow 25 December
Sage16 October4 December25 December
Snapdragon30 September4 December25 December
Spinach—4 Decembersow 25 December
Stevia27 December14 February7 March
Stock—4 Decembersow 25 December
Sunflower—22 Februarysow 15 March
Sweet Corn—1 Januarysow 22 January
Sweet pea23 October4 December25 December
Sweet William——sow 25 December
Swiss Chard—4 Decembersow 25 December
Thyme—4 Decembersow 25 December
Tomato19 December14 February7 March
Turnip—4 Decembersow 25 December
Watercress—4 Decembersow 25 December
Watermelon28 February1 April22 April
Zinnia14 March18 April9 May
Zucchini13 January14 February7 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.

Weather in Valencia by month

Average weather in Valencia over 2016–2025: the warmest month is August, the wettest September.

MonthDay, °CNight, °CRain, mmRainy days
January16.46.3324
February17.96.9184
March19.18.6749
April21.210.2487
May25.113.6325
June29.518214
July32.220.8122
August32.521.2204
September28.518.3777
October24.714.6656
November19.710.3576
December177.6395

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

CropPlant around
Bearded Iris1 October
Crocus1 October
Daffodil1 October
Garlic1 October
Hyacinth1 October
Lily1 October
Peony1 October
Saffron1 October
Tulip1 October
Wild garlic1 October

A month before the first autumn frost, so the roots grow before winter.

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