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When to plant crocuses in Jaén: by 17 November

In Jaén, crocus: plant by 17 November. The winter here is too mild for our late-planting rule, so we give no later limit. For planting stock, the places nearby include Agroganadera Dano (farm supply, 1 km) and Tomate y Queso (farm shop, 1 km); addresses and opening hours are below.

Crocus in Jaén: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in January, average 4.8 °C.

Plantingby 17 November
First autumn frost17 December
Coldest nightsJanuary, 4.8 °C
Soil back at 1 °C in springalready in the first week of January
Daylight10:06 on 17 November
Daylight at the winter solstice9:33

The same dates in Jaén hold for Garlic, Tulip, Daffodil and Hyacinth.

Crocus in Jaén: depth, winter cold, pests and pets

Plant Dutch crocuses (Crocus vernus) about 12 cm deep and 9 cm apart; smaller species go 7–10 cm deep (RHS).

In Jaén the average daily temperature stays at 10 °C or lower for about 5 weeks a year (our estimate from ten years of monthly weather). For this bulb Wisconsin Horticulture Extension gives a cold period of 15–17 weeks at about 2–10 °C. That is less than the bulbs need, and without more cold they may not flower properly. The cold can also be given in a refrigerator at about 2–7 °C, as Wisconsin Horticulture Extension does for crocuses forced in pots.

Crocuses multiply on their own (they naturalise); in a lawn, hold off mowing until their leaves die back (RHS).

Birds, squirrels and rodents damage crocuses; planting under metal mesh may reduce losses (RHS). Spring crocus gives dogs and cats vomiting and diarrhoea; do not confuse it with autumn crocus (Colchicum), which is very toxic (Pet Poison Helpline).

Sources: RHS, Wisconsin Horticulture Extension, Pet Poison Helpline.

Crocus in nearby cities

Around Jaén, Granada is 21 days earlier and Córdoba (Spain) 11 days later.

CityDistanceDateDifference
Úbeda46 kmby 3 November14 days earlier
Granada68 km27 October – end of December21 days earlier
Córdoba (Spain)87 kmby 28 November11 days later
Ciudad Real136 kmby 29 October19 days earlier
Lorca184 kmby 15 November2 days earlier
Alcázar de San Juan187 kmby 2 November15 days earlier

Where to buy crocus for planting in Jaén

Planting stock goes into the ground by 17 November; buy it before that. Within 15 km of Jaén OpenStreetMap lists 2 garden centres, 3 farm-supply shops, 8 markets and 1 farm shop (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Jaén?

In Jaén, crocus: plant by 17 November. The winter here is too mild for our late-planting rule, so we give no later limit.

When is the last spring frost in Jaén?

Last spring frost around 9 February, first autumn frost around 17 December.

Other crops in Jaén, with their dates