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When to plant hyacinths in Tomsk: 28 August – 8 October

In Tomsk, hyacinth: plant from 28 August to about 8 October. For planting stock, the places nearby include Томскагроснаб (farm supply, 2 km) and Калина Малина (farm shop, 3 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).

Hyacinth in Tomsk: soil, season and weather

Nights then average below 0 °C in October–April; the coldest, January, averages -19.9 °C.

Planting28 August – 8 October
First autumn frost27 September
Coldest nightsJanuary, -19.9 °C
Soil back at 1 °C in spring21 April
Daylight14:14 on 28 August
Daylight at the winter solstice6:50

The same dates in Tomsk hold for Garlic, Tulip, Daffodil and Crocus.

Hyacinth in Tomsk: depth, winter cold, pests and pets

Plant hyacinths 10 cm deep, at least 7.5 cm apart (RHS). In the ground hyacinths are fully hardy, but in containers they can be frost tender in cold winters (RHS); here winter nights average below 0 °C, so wrap the pots or move them to a sheltered spot.

In Tomsk the average daily temperature stays at 10 °C or lower for about 35 weeks a year (our estimate from ten years of monthly weather). For this bulb Wisconsin Horticulture Extension gives a cold period of 12–15 weeks at about 2–10 °C. The winter here gives that in the ground, so the bulbs need no pre-chilling.

Flowers get smaller in the years after planting: for full spikes, replace the bulbs or add a few new ones each autumn (RHS).

If squirrels are a problem, protect the bulbs with wire mesh (RHS). Hyacinths are toxic to dogs, cats and horses: intense vomiting and diarrhoea (ASPCA).

Sources: RHS, Wisconsin Horticulture Extension, ASPCA.

Hyacinth in nearby cities

Around Tomsk, Kemerovo is 1 day earlier and Pavlodar 7 days later.

CityDistanceDateDifference
Kemerovo146 km27 August – 8 October1 day earlier
Novosibirsk208 km29 August – 9 October1 day later
Novokuznetsk334 km31 August – 10 October3 days later
Barnaul359 km30 August – 13 October2 days later
Krasnoyarsk489 km28 August – 7 Octobersame day
Pavlodar698 km4 September – 16 October7 days later

Where to buy hyacinth for planting in Tomsk

Planting stock goes into the ground from 28 August to about 8 October; buy it before that. Within 15 km of Tomsk OpenStreetMap lists 4 garden centres, 1 farm-supply shop, 2 plant nurseries, 13 markets and 2 farm shops (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant hyacinths in Tomsk?

In Tomsk, hyacinth: plant from 28 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 Tomsk?

Last spring frost around 20 May, first autumn frost around 27 September.

Other crops in Tomsk, with their dates