Greenly Garden

Pamplona: frost dates

Spain

In Pamplona the last spring frost usually comes around 21 March and the first autumn frost around 30 November, which leaves about 254 frost-free days (median of 2016–2025). Tomato seedlings can go into open ground around 14 May.

Last spring frostaround 21 March
First autumn frostaround 30 November
Frost-free days254 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 to sow and plant

CropSow for seedlingsPlant out in a greenhouseOpen ground
Achocha31 January12 March2 April
Arugula—7 Februarysow 28 February
Basil3 April11 May1 June
Beet—7 Februarysow 28 February
Bell Pepper26 February11 May1 June
Black-eyed Susan30 January—2 April
Bok Choy5 February12 March2 April
Broad bean—7 Februarysow 28 February
Broccoli—7 Februarysow 28 February
Brussels Sprouts24 December7 February28 February
Cabbage—7 Februarysow 28 February
Calendula—7 Februarysow 28 February
Carrot——sow 28 February
Cauliflower27 December7 February28 February
Celeriac25 December12 March2 April
Celery25 December12 March2 April
Celosia23 March7 May28 May
Chamomile—7 Februarysow 28 February
Chayote26 December24 March14 April
Chickpea——sow 28 February
Chili Pepper8 March21 May11 June
China aster20 March11 May1 June
Chives——sow 28 February
Cilantro—7 Februarysow 28 February
Corn—24 Marchsow 14 April
Cosmos23 March7 May28 May
Cucumber30 March11 May1 June
Daikon—7 Februarysow 28 February
Delphinium31 December—28 February
Dill—7 Februarysow 28 February
Eggplant2 March11 May1 June
Florence fennel26 January12 March2 April
Garden sorrel—7 Februarysow 28 February
Green Beans15 February24 March14 April
Hyssop——sow 28 February
Kale—7 Februarysow 28 February
Kiwano22 March23 April14 May
Kohlrabi—7 Februarysow 28 February
Leek29 November7 February28 February
Lemon balm—7 Februarysow 28 February
Lettuce—7 Februarysow 28 February
Lisianthus12 November7 February28 February
Lovage——sow 28 February
Luffa30 March11 May1 June
Marigold29 January12 March2 April
Melon20 March11 May1 June
Microgreens—7 Maysow 28 May
Moringa27 March21 May11 June
Mustard greens—7 Februarysow 28 February
Napa cabbage7 February12 March2 April
Nasturtium2 February12 March2 April
Okra30 March11 May1 June
Oregano9 December7 February28 February
Pansy13 December7 February28 February
Parsley—7 Februarysow 28 February
Parsnip——sow 28 February
Peanut4 April11 May1 June
Peas—7 Februarysow 28 February
Petunia9 March11 May1 June
Physalis9 March23 April14 May
Pumpkin17 March23 April14 May
Purple coneflower28 December—28 February
Radish——sow 28 February
Sage20 December7 February28 February
Snapdragon4 December7 February28 February
Spinach—7 Februarysow 28 February
Stevia5 March23 April14 May
Stock—7 Februarysow 28 February
Sunflower—7 Maysow 28 May
Sweet Corn—24 Marchsow 14 April
Sweet pea27 December7 February28 February
Sweet William——sow 28 February
Swiss Chard—7 Februarysow 28 February
Thyme—7 Februarysow 28 February
Tomato25 February23 April14 May
Turnip—7 Februarysow 28 February
Watercress—7 Februarysow 28 February
Watermelon9 April11 May1 June
Zinnia16 April21 May11 June
Zucchini22 March23 April14 May

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.

Planted in autumn

CropPlant around
Bearded Iris31 October
Crocus31 October
Daffodil31 October
Garlic31 October
Hyacinth31 October
Lily31 October
Peony31 October
Saffron31 October
Tulip31 October
Wild garlic31 October

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

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