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When to plant crocuses in Trabzon: by 13 November

In Trabzon, crocus: plant by 13 November. The winter here is too mild for our late-planting rule, so we give no later limit.

Crocus in Trabzon: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in January, average 4.2 °C.

Plantingby 13 November
First autumn frost13 December
Coldest nightsJanuary, 4.2 °C
Soil back at 1 °C in springalready in the first week of January
Daylight9:59 on 13 November
Daylight at the winter solstice9:13

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

Crocus in Trabzon: 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 Trabzon the average daily temperature stays at 10 °C or lower for about 13 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. That is less than the bulbs need, and without more cold they may not flower properly. The cold can also be given in a refrigerator at about 2–7 °C, as Wisconsin Horticulture Extension does for crocuses forced in pots.

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 Trabzon, Erzurum is 58 days earlier and Kutaisi 7 days later.

CityDistanceDateDifference
Batumi175 kmby 13 Novembersame day
Erzurum180 km16 September – 20 November58 days earlier
Kutaisi284 km20 November – end of December7 days later
Samsun286 kmby 16 November3 days later
Sochi288 kmby 14 November1 day later
Diyarbakır348 km26 October – end of December18 days earlier

Where to buy crocus for planting in Trabzon

Planting stock goes into the ground by 13 November; buy it before that. Within 15 km of Trabzon OpenStreetMap lists 1 garden centre, 21 markets and 1 farm shop (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Trabzon?

In Trabzon, crocus: plant by 13 November. The winter here is too mild for our late-planting rule, so we give no later limit.

When is the last spring frost in Trabzon?

Last spring frost around 13 March, first autumn frost around 13 December.

Other crops in Trabzon, with their dates