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When to plant crocuses in Szczecin: 18 October – end of December

In Szczecin, crocus: plant from 18 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.

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 Szczecin: soil, season and weather

Nights then average below 0 °C in January, February; the coldest, January, averages -0.9 °C.

Planting18 October – end of December
First autumn frost17 November
Coldest nightsJanuary, -0.9 °C
Soil back at 1 °C in springalready in the first week of January
Daylight10:27 on 18 October
Daylight at the winter solstice7:29

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

Crocus in Szczecin: 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 Szczecin the average daily temperature stays at 10 °C or lower for about 27 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 Szczecin, Bydgoszcz is 5 days earlier and Potsdam 4 days later.

CityDistanceDateDifference
Berlin127 km20 October – end of December2 days later
Potsdam152 km22 October – end of December4 days later
Rostock177 km18 October – end of Decembersame day
Zielona Góra178 km14 October – end of December4 days earlier
Poznań196 km17 October – end of December1 day earlier
Bydgoszcz233 km13 October – end of December5 days earlier

Where to buy crocus for planting in Szczecin

Planting stock goes into the ground from 18 October to the end of December; buy it before that. Within 15 km of Szczecin OpenStreetMap lists 18 garden centres, 1 farm-supply shop, 1 plant nursery, 13 markets and 4 farm shops (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Szczecin?

In Szczecin, crocus: plant from 18 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 Szczecin?

Last spring frost around 22 April, first autumn frost around 17 November.

Other crops in Szczecin, with their dates