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When to plant crocuses in Semey: 30 August – 18 October

In Semey, crocus: plant from 30 August to about 18 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.

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 Semey: soil, season and weather

Nights then average below 0 °C in October–March; the coldest, January, averages -18 °C.

Planting30 August – 18 October
First autumn frost29 September
Coldest nightsJanuary, -18 °C
Soil back at 1 °C in spring3 April
Daylight13:40 on 30 August
Daylight at the winter solstice8:00

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

Crocus in Semey: 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 Semey the average daily temperature stays at 10 °C or lower for about 30 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 Semey, Novosibirsk is 1 day earlier and Pavlodar 5 days later.

CityDistanceDateDifference
Oskemen177 km1 September – 18 October2 days later
Pavlodar308 km4 September – 16 October5 days later
Barnaul406 km30 August – 13 Octobersame day
Karaganda514 km30 August – 16 Octobersame day
Novosibirsk543 km29 August – 9 October1 day earlier
Novokuznetsk599 km31 August – 10 October1 day later

Where to buy crocus for planting in Semey

Planting stock goes into the ground from 30 August to about 18 October; buy it before that. Within 15 km of Semey OpenStreetMap lists 2 markets (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Semey?

In Semey, crocus: plant from 30 August to about 18 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 Semey?

Last spring frost around 25 April, first autumn frost around 29 September.

Other crops in Semey, with their dates