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When to plant crocuses in Osorno: by 3 May

In Osorno, crocus: plant by 3 May. The winter here is too mild for our late-planting rule, so we give no later limit.

Crocus in Osorno: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in July, average 3.4 °C.

Plantingby 3 May
First autumn frost2 June
Coldest nightsJuly, 3.4 °C
Soil back at 1 °C in springalready in the first week of July
Daylight10:19 on 3 May
Daylight at the winter solstice9:16

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

Crocus in Osorno: 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 Osorno the average daily temperature stays at 10 °C or lower for about 23 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 Osorno, Bariloche is 142 days earlier and Valdivia 12 days later.

CityDistanceDateDifference
Valdivia85 kmby 15 May12 days later
Puerto Montt101 kmby 7 May4 days later
Bariloche166 km12 December – 14 May142 days earlier
Temuco208 kmby 23 April10 days earlier
Los Ángeles351 kmby 2 May1 day earlier
Concepción416 kmby 14 May11 days later

Where to buy crocus for planting in Osorno

Planting stock goes into the ground by 3 May; buy it before that. Within 15 km of Osorno OpenStreetMap lists 1 plant nursery and 3 markets (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Osorno?

In Osorno, crocus: plant by 3 May. The winter here is too mild for our late-planting rule, so we give no later limit.

When is the last spring frost in Osorno?

Last spring frost around 15 September, first autumn frost around 2 June.

Other crops in Osorno, with their dates