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When to plant crocuses in Irpin: 22 September – 30 November

In Irpin, crocus: plant from 22 September to about 30 November.

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 Irpin: soil, season and weather

Nights then average below 0 °C in December–March; the coldest, January, averages -4.9 °C.

Planting22 September – 30 November
First autumn frost22 October
Coldest nightsJanuary, -4.9 °C
Soil back at 1 °C in spring15 January
Daylight12:15 on 22 September
Daylight at the winter solstice7:59

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

Crocus in Irpin: 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 Irpin 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 Irpin, Vinnytsia is 2 days earlier and Cherkasy 20 days later.

CityDistanceDateDifference
Kyiv21 km10 October – 1 December18 days later
Bila Tserkva81 km30 September – 4 December8 days later
Chernihiv131 km28 September – 25 November6 days later
Cherkasy177 km12 October – 10 December20 days later
Mazyr183 km28 September – 25 November6 days later
Vinnytsia191 km20 September – 2 December2 days earlier

Where to buy crocus for planting in Irpin

Planting stock goes into the ground from 22 September to about 30 November; buy it before that. Within 15 km of Irpin OpenStreetMap lists 5 garden centres, 1 farm-supply shop, 4 plant nurseries, 21 markets and 8 farm shops (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Irpin?

In Irpin, crocus: plant from 22 September to about 30 November. 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 Irpin?

Last spring frost around 11 April, first autumn frost around 22 October.

Other crops in Irpin, with their dates