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When to plant crocuses in Salamanca: 24 October – end of December

In Salamanca, crocus: plant from 24 October to the end of December. For planting stock, the places nearby include Viveros Seguin (plant nursery, 2 km) and Riegos del Tormes (farm supply, 3 km); addresses and opening hours are below.

Bulbs are best planted early in the window: late-planted bulbs may flower later or less well. Late planting works only while the soil can be dug. Mulch after planting.

The average daily temperature here stays above 0 °C all winter, and at least three months average 7 °C or less: our rule of thumb for the winter cold spring bulbs need. Sources: Iowa State University Extension, Wisconsin Horticulture Extension, UNH Extension, RHS.

Crocus in Salamanca: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in January, average 0.7 °C.

Planting24 October – end of December
First autumn frost23 November
Coldest nightsJanuary, 0.7 °C
Soil back at 1 °C in springalready in the first week of January
Daylight10:47 on 24 October
Daylight at the winter solstice9:14

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

Crocus in Salamanca: 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 Salamanca the average daily temperature stays at 10 °C or lower for about 21 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. The winter here gives that in the ground, so the bulbs need no pre-chilling.

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 Salamanca, Segovia is 15 days earlier and Plasencia 37 days later.

CityDistanceDateDifference
Zamora60 km19 October – end of December5 days earlier
Ávila88 km18 October – end of December6 days earlier
Valladolid109 km28 October – end of December4 days later
Plasencia111 kmby 30 November37 days later
Segovia129 km9 October – end of December15 days earlier
Bragança131 km27 October – end of December3 days later

Where to buy crocus for planting in Salamanca

Planting stock goes into the ground from 24 October to the end of December; buy it before that. Within 15 km of Salamanca OpenStreetMap lists 6 garden centres, 1 farm-supply shop, 2 plant nurseries and 5 markets (collected 7 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Salamanca?

In Salamanca, crocus: plant from 24 October to the end of December. Bulbs are best planted early in the window: late-planted bulbs may flower later or less well. Late planting works only while the soil can be dug. Mulch after planting.

When is the last spring frost in Salamanca?

Last spring frost around 1 April, first autumn frost around 23 November.

Other crops in Salamanca, with their dates