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When to plant crocuses in Coyhaique: 15 December – 25 May

In Coyhaique, crocus: plant from 15 December to about 25 May.

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 Coyhaique: soil, season and weather

Nights then average below 0 °C in May–October; the coldest, July, averages -3.6 °C.

Planting15 December – 25 May
First autumn frost14 January
Coldest nightsJuly, -3.6 °C
Soil back at 1 °C in spring16 September
Daylight15:40 on 15 December
Daylight at the winter solstice8:41

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

Crocus in Coyhaique: 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 Coyhaique the average daily temperature stays at 10 °C or lower for about 50 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 Coyhaique, Bariloche is 3 days earlier and Valdivia 151 days later.

CityDistanceDateDifference
Comodoro Rivadavia357 kmby 24 April130 days later
Puerto Montt461 kmby 7 May143 days later
Bariloche495 km12 December – 14 May3 days earlier
Osorno563 kmby 3 May139 days later
Trelew595 kmby 29 April135 days later
Valdivia648 kmby 15 May151 days later

Where to buy crocus for planting in Coyhaique

Planting stock goes into the ground from 15 December to about 25 May; buy it before that. Within 15 km of Coyhaique OpenStreetMap lists 3 markets (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Coyhaique?

In Coyhaique, crocus: plant from 15 December to about 25 May. 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 Coyhaique?

Last spring frost around 3 December, first autumn frost around 14 January.

Other crops in Coyhaique, with their dates