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When to plant hyacinths in Kharkiv: 21 September – 23 November

In Kharkiv, hyacinth: plant from 21 September to about 23 November. For planting stock, the places nearby include Е-Комора (farm supply, 0 km) and Сортове насіння (farm supply, 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).

Hyacinth in Kharkiv: soil, season and weather

Nights then average below 0 °C in December–March; the coldest, January, averages -6.3 °C.

Planting21 September – 23 November
First autumn frost21 October
Coldest nightsJanuary, -6.3 °C
Soil back at 1 °C in spring25 February
Daylight12:18 on 21 September
Daylight at the winter solstice8:04

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

Hyacinth in Kharkiv: 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 Kharkiv the average daily temperature stays at 10 °C or lower for about 26 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 Kharkiv, Sumy is 1 day earlier and Dnipro 18 days later.

CityDistanceDateDifference
Poltava129 km23 September – 29 November2 days later
Sumy144 km20 September – 20 November1 day earlier
Pavlohrad164 km7 October – 7 December16 days later
Stary Oskol185 km22 September – 13 November1 day later
Dnipro190 km9 October – 12 December18 days later
Kursk194 km21 September – 14 Novembersame day

Where to buy hyacinth for planting in Kharkiv

Planting stock goes into the ground from 21 September to about 23 November; buy it before that. Within 15 km of Kharkiv OpenStreetMap lists 8 garden centres, 9 farm-supply shops, 2 plant nurseries, 38 markets and 6 farm shops (collected 7 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant hyacinths in Kharkiv?

In Kharkiv, hyacinth: plant from 21 September to about 23 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 Kharkiv?

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

Other crops in Kharkiv, with their dates