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When to plant crocuses in Hasselt: 19 October – end of December

In Hasselt, crocus: plant from 19 October to the end of December. For planting stock, the places nearby include Boerderijwinkel De Wroeter (farm shop, 6 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.

Crocus in Hasselt: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in January, average 1.1 °C.

Planting19 October – end of December
First autumn frost18 November
Coldest nightsJanuary, 1.1 °C
Soil back at 1 °C in springalready in the first week of January
Daylight10:32 on 19 October
Daylight at the winter solstice7:55

The same dates in Hasselt hold for Garlic, Tulip, Daffodil and Hyacinth.

Crocus in Hasselt: depth, winter cold, pests and pets

Plant Dutch crocuses (Crocus vernus) about 12 cm deep and 9 cm apart; smaller species go 7–10 cm deep (RHS).

In Hasselt the average daily temperature stays at 10 °C or lower for about 24 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.

Crocuses multiply on their own (they naturalise); in a lawn, hold off mowing until their leaves die back (RHS).

Birds, squirrels and rodents damage crocuses; planting under metal mesh may reduce losses (RHS). Spring crocus gives dogs and cats vomiting and diarrhoea; do not confuse it with autumn crocus (Colchicum), which is very toxic (Pet Poison Helpline).

Sources: RHS, Wisconsin Horticulture Extension, Pet Poison Helpline.

Crocus in nearby cities

Around Hasselt, Charleroi is 3 days earlier and Brussels 4 days later.

CityDistanceDateDifference
Liège37 km20 October – end of December1 day later
Brussels70 km23 October – end of December4 days later
Charleroi86 km16 October – end of December3 days earlier
Düsseldorf106 km22 October – end of December3 days later
Duisburg114 km23 October – end of December4 days later
Cologne114 km21 October – end of December2 days later

Where to buy crocus for planting in Hasselt

Planting stock goes into the ground from 19 October to the end of December; buy it before that. Within 15 km of Hasselt OpenStreetMap lists 21 garden centres, 1 farm-supply shop, 1 plant nursery, 2 markets and 14 farm shops (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Hasselt?

In Hasselt, crocus: 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 Hasselt?

Last spring frost around 19 April, first autumn frost around 18 November.

Other crops in Hasselt, with their dates