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When to plant hyacinths in Jaén: by 17 November

In Jaén, hyacinth: 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 AgroJaén (garden centre, 1 km) and Viveros Luis Moreno (garden centre, 4 km); addresses and opening hours are below.

Hyacinth 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 Crocus.

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

Plant hyacinths 10 cm deep, at least 7.5 cm apart (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 12–15 weeks at about 2–10 °C. That is less than the bulbs need, and without more cold they may not flower properly. Where winters are not cold enough for long enough, LSU AgCenter keeps tulip and hyacinth bulbs in the refrigerator for at least six to eight weeks before planting, and plants them only once the soil has cooled: warm soil can cancel the chilling. Keep fruit out of that refrigerator — ripening fruit gives off ethylene, which harms the flowers (Wisconsin Horticulture Extension).

Flowers get smaller in the years after planting: for full spikes, replace the bulbs or add a few new ones each autumn (RHS).

If squirrels are a problem, protect the bulbs with wire mesh (RHS). Hyacinths are toxic to dogs, cats and horses: intense vomiting and diarrhoea (ASPCA).

Sources: RHS, Wisconsin Horticulture Extension, LSU AgCenter, ASPCA.

Hyacinth 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 hyacinth 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 hyacinths in Jaén?

In Jaén, hyacinth: 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