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When to plant hyacinths in Mykolaiv: 11 October – 30 December

In Mykolaiv, hyacinth: plant from 11 October to about 30 December.

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 Mykolaiv: soil, season and weather

Nights then average below 0 °C in January, February; the coldest, January, averages -3.3 °C.

Planting11 October – 30 December
First autumn frost10 November
Coldest nightsJanuary, -3.3 °C
Soil back at 1 °C in springalready in the first week of January
Daylight11:10 on 11 October
Daylight at the winter solstice8:31

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

Hyacinth in Mykolaiv: 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 Mykolaiv the average daily temperature stays at 10 °C or lower for about 23 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 Mykolaiv, Kropyvnytskyi is 3 days earlier and Bilhorod-Dnistrovskyi 16 days later.

CityDistanceDateDifference
Kherson61 km18 October – end of December7 days later
Odesa112 km26 October – end of December15 days later
Bilhorod-Dnistrovskyi153 km27 October – end of December16 days later
Kropyvnytskyi171 km8 October – 10 December3 days earlier
Nikopol193 km21 October – end of December10 days later
Uman237 km12 October – 6 December1 day later

Where to buy hyacinth for planting in Mykolaiv

Planting stock goes into the ground from 11 October to about 30 December; buy it before that. Within 15 km of Mykolaiv OpenStreetMap lists 11 markets and 1 farm shop (collected 7 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant hyacinths in Mykolaiv?

In Mykolaiv, hyacinth: plant from 11 October to about 30 December. 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 Mykolaiv?

Last spring frost around 31 March, first autumn frost around 10 November.

Other crops in Mykolaiv, with their dates