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When to plant hyacinths in Erfurt: 8 October – end of December

In Erfurt, hyacinth: plant from 8 October to the end of 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 average daily temperature here stays above 0 °C all winter, and at least three months average 7 °C or less: our rule of thumb for the winter cold spring bulbs need. Sources: Iowa State University Extension, Wisconsin Horticulture Extension, UNH Extension, RHS.

Hyacinth in Erfurt: soil, season and weather

Nights then average below 0 °C in January, February; the coldest, January, averages -0.9 °C.

Planting8 October – end of December
First autumn frost7 November
Coldest nightsJanuary, -0.9 °C
Soil back at 1 °C in springalready in the first week of January
Daylight11:13 on 8 October
Daylight at the winter solstice7:55

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

Hyacinth in Erfurt: 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 Erfurt 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 Erfurt, Nuremberg is 4 days earlier and Hanover 14 days later.

CityDistanceDateDifference
Leipzig102 km18 October – end of December10 days later
Magdeburg134 km19 October – end of December11 days later
Nuremberg170 km4 October – end of December4 days earlier
Hanover179 km22 October – end of December14 days later
Dresden190 km19 October – end of December11 days later
Frankfurt192 km18 October – end of December10 days later

Where to buy hyacinth for planting in Erfurt

Planting stock goes into the ground from 8 October to the end of December; buy it before that. Within 15 km of Erfurt OpenStreetMap lists 9 garden centres, 2 farm-supply shops, 6 plant nurseries, 3 markets and 15 farm shops (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant hyacinths in Erfurt?

In Erfurt, hyacinth: plant from 8 October to the end of 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 Erfurt?

Last spring frost around 23 April, first autumn frost around 7 November.

Other crops in Erfurt, with their dates