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When to plant tulips in Bielefeld: 19 October – end of December

In Bielefeld, tulip: plant from 19 October to the end of December. For planting stock, the places nearby include Feldmann (plant nursery, 5 km) and Köckerhof (farm shop, 5 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 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.

Tulip in Bielefeld: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in January, average 0.3 °C.

Planting19 October – end of December
First autumn frost18 November
Coldest nightsJanuary, 0.3 °C
Soil back at 7 °C in spring10 March
Daylight10:28 on 19 October
Daylight at the winter solstice7:44

The same dates in Bielefeld hold for Garlic, Daffodil, Crocus and Hyacinth.

Tulip in Bielefeld: depth, winter cold, pests and pets

Plant tulips at a depth of two to three times the bulb’s height, at least twice the bulb’s width apart, pointed end up (RHS).

In Bielefeld the average daily temperature stays at 10 °C or lower for about 25 weeks a year (our estimate from ten years of monthly weather). For this bulb Wisconsin Horticulture Extension gives a cold period of 15–17 weeks at about 2–10 °C. The winter here gives that in the ground, so the bulbs need no pre-chilling.

Border tulips often fail to flower in their second year if left in the ground, so many gardeners grow them for one spring and plant fresh bulbs each autumn; Darwin hybrid and Kaufmanniana tulips reflower more reliably (RHS). Soils that stay wet in summer make reflowering difficult (RHS): in Bielefeld the three warmest months bring about 216 mm of rain together.

Grey squirrels often dig up tulip bulbs: lay chicken wire over the bed until the leaves appear, or plant daffodils among them, which squirrels avoid (RHS). Tulips are toxic to dogs, cats and horses, the bulb most of all (ASPCA).

Sources: RHS, Wisconsin Horticulture Extension, ASPCA.

Tulip in nearby cities

Around Bielefeld, Dortmund is 2 days earlier and Duisburg 4 days later.

CityDistanceDateDifference
Hanover91 km22 October – end of December3 days later
Dortmund92 km17 October – end of December2 days earlier
Duisburg138 km23 October – end of December4 days later
Düsseldorf149 km22 October – end of December3 days later
Cologne162 km21 October – end of December2 days later
Hamburg196 km20 October – end of December1 day later

Where to buy tulip for planting in Bielefeld

Planting stock goes into the ground from 19 October to the end of December; buy it before that. Within 15 km of Bielefeld OpenStreetMap lists 23 garden centres, 1 farm-supply shop, 2 plant nurseries, 13 markets and 26 farm shops (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant tulips in Bielefeld?

In Bielefeld, tulip: plant from 19 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 Bielefeld?

Last spring frost around 20 April, first autumn frost around 18 November.

Other crops in Bielefeld, with their dates