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When to plant crocuses in Metz: 18 October – end of December

In Metz, crocus: plant from 18 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.

Crocus in Metz: soil, season and weather

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

Planting18 October – end of December
First autumn frost17 November
Coldest nightsJanuary, 0 °C
Soil back at 1 °C in springalready in the first week of January
Daylight10:41 on 18 October
Daylight at the winter solstice8:12

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

Crocus in Metz: 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 Metz 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.

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

2 of the nearest cities share Metz's date.

CityDistanceDateDifference
Luxembourg55 km19 October – end of December1 day later
Strasbourg130 km21 October – end of December3 days later
Reims157 km18 October – end of Decembersame day
Karlsruhe162 km20 October – end of December2 days later
Liège173 km20 October – end of December2 days later
Mulhouse174 km18 October – end of Decembersame day

Where to buy crocus for planting in Metz

Planting stock goes into the ground from 18 October to the end of December; buy it before that. Within 15 km of Metz OpenStreetMap lists 10 garden centres, 1 farm-supply shop, 10 markets and 11 farm shops (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Metz?

In Metz, crocus: plant from 18 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 Metz?

Last spring frost around 15 April, first autumn frost around 17 November.

Other crops in Metz, with their dates