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When to plant crocuses in Omsk: 29 August – 12 October

In Omsk, crocus: plant from 29 August to about 12 October. For planting stock, the places nearby include GrassProm (garden centre, 1 km) and Садовый центр Родионовых (garden centre, 2 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 Omsk: soil, season and weather

Nights then average below 0 °C in October–April; the coldest, January, averages -19.5 °C.

Planting29 August – 12 October
First autumn frost28 September
Coldest nightsJanuary, -19.5 °C
Soil back at 1 °C in spring11 April
Daylight14:02 on 29 August
Daylight at the winter solstice7:10

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

Crocus in Omsk: 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 Omsk the average daily temperature stays at 10 °C or lower for about 33 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

All the nearest cities on our list plant crocus later than Omsk; the closest date is in Petropavl, 1 day later.

CityDistanceDateDifference
Petropavl270 km30 August – 14 October1 day later
Kokshetau321 km30 August – 15 October1 day later
Pavlodar383 km4 September – 16 October6 days later
Astana444 km30 August – 15 October1 day later
Kurgan512 km1 September – 15 October3 days later
Tyumen542 km1 September – 13 October3 days later

Where to buy crocus for planting in Omsk

Planting stock goes into the ground from 29 August to about 12 October; buy it before that. Within 15 km of Omsk OpenStreetMap lists 21 garden centres, 4 farm-supply shops, 23 markets and 9 farm shops (collected 7 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Omsk?

In Omsk, crocus: plant from 29 August to about 12 October. 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 Omsk?

Last spring frost around 5 May, first autumn frost around 28 September.

Other crops in Omsk, with their dates