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When to plant hyacinths in Vilnius: 20 September – 26 November

In Vilnius, hyacinth: plant from 20 September to about 26 November. For planting stock, the places nearby include Žalia stotelė (garden centre, 1 km) and Žalia stotelė (garden centre, 2 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 Vilnius: soil, season and weather

Nights then average below 0 °C in December–March; the coldest, January, averages -5.2 °C.

Planting20 September – 26 November
First autumn frost20 October
Coldest nightsJanuary, -5.2 °C
Soil back at 1 °C in spring18 February
Daylight12:25 on 20 September
Daylight at the winter solstice7:14

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

Hyacinth in Vilnius: 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 Vilnius the average daily temperature stays at 10 °C or lower for about 30 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 Vilnius, Maladzyechna is 1 day earlier and Grodno 19 days later.

CityDistanceDateDifference
Lida90 km30 September – 27 November10 days later
Maladzyechna109 km19 September – 22 November1 day earlier
Grodno147 km9 October – 3 December19 days later
Minsk172 km1 October – 19 November11 days later
Baranovichi180 km27 September – 25 November7 days later
Białystok222 km2 October – 6 December12 days later

Where to buy hyacinth for planting in Vilnius

Planting stock goes into the ground from 20 September to about 26 November; buy it before that. Within 15 km of Vilnius OpenStreetMap lists 13 garden centres, 1 plant nursery, 19 markets and 2 farm shops (collected 7 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant hyacinths in Vilnius?

In Vilnius, hyacinth: plant from 20 September to about 26 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 Vilnius?

Last spring frost around 6 May, first autumn frost around 20 October.

Other crops in Vilnius, with their dates