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When to plant crocuses in Yerevan: 3 October – 4 December

In Yerevan, crocus: plant from 3 October to about 4 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 date is about two weeks before the average daily temperature here falls below 0 °C (ten years of weather): an estimate, not the day the ground freezes, and a cold spell can freeze it earlier. Sources: Iowa State University Extension, Wisconsin Horticulture Extension, UNH Extension, RHS, how the ground freezes (NRC Canada, CBD-26).

Crocus in Yerevan: soil, season and weather

Nights then average below 0 °C in December–March; the coldest, January, averages -6.6 °C.

Planting3 October – 4 December
First autumn frost2 November
Coldest nightsJanuary, -6.6 °C
Soil back at 1 °C in spring12 February
Daylight11:43 on 3 October
Daylight at the winter solstice9:18

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

Crocus in Yerevan: 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 Yerevan 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 Yerevan, Vanadzor is 38 days earlier and Ganja 39 days later.

CityDistanceDateDifference
Vanadzor70 km26 August – 29 October38 days earlier
Gyumri88 km20 September – 23 November13 days earlier
Ganja166 km11 November – end of December39 days later
Tbilisi173 km16 October – end of December13 days later
Van212 km29 September – 21 November4 days earlier
Erzurum277 km16 September – 20 November17 days earlier

Where to buy crocus for planting in Yerevan

Planting stock goes into the ground from 3 October to about 4 December; buy it before that. Within 15 km of Yerevan OpenStreetMap lists 7 garden centres, 1 farm-supply shop, 18 markets and 3 farm shops (collected 7 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Yerevan?

In Yerevan, crocus: plant from 3 October to about 4 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 Yerevan?

Last spring frost around 7 April, first autumn frost around 2 November.

Other crops in Yerevan, with their dates