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When to plant daffodils in Irkutsk: 31 August – 8 October

In Irkutsk, daffodil: plant from 31 August to about 8 October. For planting stock, the places nearby include Газон экспресс (garden centre, 1 km) and Росток (garden centre, 1 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).

Daffodil in Irkutsk: soil, season and weather

Nights then average below 0 °C in October–April; the coldest, January, averages -23.7 °C.

Planting31 August – 8 October
First autumn frost30 September
Coldest nightsJanuary, -23.7 °C
Soil back at 7 °C in spring30 April
Daylight13:43 on 31 August
Daylight at the winter solstice7:42

The same dates in Irkutsk hold for Garlic, Tulip, Crocus and Hyacinth.

Daffodil in Irkutsk: depth, winter cold, pests and pets

Plant daffodils three times the bulb’s height deep (RHS): about 13–15 cm for large bulbs, 15–20 cm apart (University of Georgia Extension). The RHS advises planting them early in autumn, ideally in September in the UK, so do not leave them late: aim for the start of the window, 31 August.

In Irkutsk the average daily temperature stays at 10 °C or lower for about 34 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.

Daffodils are long-lived: clumps slowly expand over the years (RHS). Leave the leaves for at least eight weeks after flowering — they feed next year’s flowers (University of Georgia Extension).

Squirrels avoid daffodils, so they can be planted among tulips to reduce losses (RHS). Daffodils are toxic to dogs, cats and horses; the bulbs are the most poisonous part, and a large amount can cause convulsions and heart rhythm problems (ASPCA).

Sources: RHS, University of Georgia Extension, Wisconsin Horticulture Extension, ASPCA.

Daffodil in nearby cities

1 of the nearest cities share Irkutsk's date.

CityDistanceDateDifference
Ulan-Ude231 km30 August – 7 October1 day earlier
Chita627 km24 August – 3 October7 days earlier
Krasnoyarsk851 km28 August – 7 October3 days earlier
Novokuznetsk1,156 km31 August – 10 Octobersame day
Kemerovo1,238 km27 August – 8 October4 days earlier
Tomsk1,330 km28 August – 8 October3 days earlier

Where to buy daffodil for planting in Irkutsk

Planting stock goes into the ground from 31 August to about 8 October; buy it before that. Within 15 km of Irkutsk OpenStreetMap lists 10 garden centres, 5 farm-supply shops, 1 plant nursery, 11 markets and 1 farm shop (collected 7 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant daffodils in Irkutsk?

In Irkutsk, daffodil: plant from 31 August to about 8 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 Irkutsk?

Last spring frost around 14 May, first autumn frost around 30 September.

Other crops in Irkutsk, with their dates