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

In Coventry, 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 Coventry: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in January, average 1.4 °C.

Planting18 October – end of December
First autumn frost17 November
Coldest nightsJanuary, 1.4 °C
Soil back at 1 °C in springalready in the first week of January
Daylight10:31 on 18 October
Daylight at the winter solstice7:40

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

Crocus in Coventry: 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 Coventry the average daily temperature stays at 10 °C or lower for about 27 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 Coventry, Manchester is 3 days earlier and Cambridge 7 days later.

CityDistanceDateDifference
Birmingham27 km20 October – end of December2 days later
Stoke-on-Trent82 km16 October – end of December2 days earlier
Sheffield108 km23 October – end of December5 days later
Cambridge113 km25 October – end of December7 days later
Manchester129 km15 October – end of December3 days earlier
Bristol130 km23 October – end of December5 days later

Where to buy crocus for planting in Coventry

Planting stock goes into the ground from 18 October to the end of December; buy it before that. Within 15 km of Coventry OpenStreetMap lists 11 garden centres, 3 markets and 2 farm shops (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Coventry?

In Coventry, 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 Coventry?

Last spring frost around 12 April, first autumn frost around 17 November.

Other crops in Coventry, with their dates