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When to plant hyacinths in Kursk: 21 September – 14 November

In Kursk, hyacinth: plant from 21 September to about 14 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).

Hyacinth in Kursk: soil, season and weather

Nights then average below 0 °C in November–March; the coldest, February, averages -7.6 °C.

Planting21 September – 14 November
First autumn frost21 October
Coldest nightsFebruary, -7.6 °C
Soil back at 1 °C in spring11 March
Daylight12:19 on 21 September
Daylight at the winter solstice7:47

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

Hyacinth in Kursk: 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 Kursk the average daily temperature stays at 10 °C or lower for about 28 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 Kursk, Oryol is 5 days earlier and Voronezh 8 days later.

CityDistanceDateDifference
Stary Oskol125 km22 September – 13 November1 day later
Sumy132 km20 September – 20 November1 day earlier
Oryol138 km16 September – 10 November5 days earlier
Kharkiv194 km21 September – 23 Novembersame day
Voronezh208 km29 September – 12 November8 days later
Bryansk213 km20 September – 11 November1 day earlier

Where to buy hyacinth for planting in Kursk

Planting stock goes into the ground from 21 September to about 14 November; buy it before that. Within 15 km of Kursk OpenStreetMap lists 6 garden centres, 1 farm-supply shop, 1 plant nursery, 10 markets and 4 farm shops (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant hyacinths in Kursk?

In Kursk, hyacinth: plant from 21 September to about 14 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 Kursk?

Last spring frost around 25 April, first autumn frost around 21 October.

Other crops in Kursk, with their dates