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When to plant crocuses in Kaliningrad: 15 October – 30 December

In Kaliningrad, crocus: plant from 15 October to about 30 December. For planting stock, the places nearby include Мир садовода (garden centre, 3 km) and Green Market (farm shop, 4 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 date is about two weeks before the average daily temperature here falls below 0 °C (ten years of weather): an estimate, not the day the ground freezes, and a cold spell can freeze it earlier. Sources: Iowa State University Extension, Wisconsin Horticulture Extension, UNH Extension, RHS, how the ground freezes (NRC Canada, CBD-26).

Crocus in Kaliningrad: soil, season and weather

Nights then average below 0 °C in December–March; the coldest, January, averages -2.4 °C.

Planting15 October – 30 December
First autumn frost14 November
Coldest nightsJanuary, -2.4 °C
Soil back at 1 °C in spring11 January
Daylight10:36 on 15 October
Daylight at the winter solstice7:14

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

Crocus in Kaliningrad: 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 Kaliningrad the average daily temperature stays at 10 °C or lower for about 28 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 Kaliningrad, Białystok is 13 days earlier and Gdańsk 5 days later.

CityDistanceDateDifference
Olsztyn103 km17 October – 16 December2 days later
Gdańsk127 km20 October – end of December5 days later
Bydgoszcz241 km13 October – end of December2 days earlier
Grodno244 km9 October – 3 December6 days earlier
Białystok247 km2 October – 6 December13 days earlier
Warsaw278 km18 October – 27 December3 days later

Where to buy crocus for planting in Kaliningrad

Planting stock goes into the ground from 15 October to about 30 December; buy it before that. Within 15 km of Kaliningrad OpenStreetMap lists 4 garden centres, 1 plant nursery, 10 markets and 7 farm shops (collected 7 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Kaliningrad?

In Kaliningrad, crocus: plant from 15 October to about 30 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 Kaliningrad?

Last spring frost around 27 April, first autumn frost around 14 November.

Other crops in Kaliningrad, with their dates