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When to plant crocuses in Puerto Montt: by 7 May

In Puerto Montt, crocus: plant by 7 May. The winter here is too mild for our late-planting rule, so we give no later limit.

Crocus in Puerto Montt: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in July, average 4.3 °C.

Plantingby 7 May
First autumn frost6 June
Coldest nightsJuly, 4.3 °C
Soil back at 1 °C in springalready in the first week of July
Daylight10:06 on 7 May
Daylight at the winter solstice9:10

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

Crocus in Puerto Montt: 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 Puerto Montt the average daily temperature stays at 10 °C or lower for about 25 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 Puerto Montt, Bariloche is 146 days earlier and Valdivia 8 days later.

CityDistanceDateDifference
Osorno101 kmby 3 May4 days earlier
Bariloche141 km12 December – 14 May146 days earlier
Valdivia186 kmby 15 May8 days later
Temuco305 kmby 23 April14 days earlier
Los Ángeles448 kmby 2 May5 days earlier
Coyhaique461 km15 December – 25 May143 days earlier

Where to buy crocus for planting in Puerto Montt

Planting stock goes into the ground by 7 May; buy it before that. Within 15 km of Puerto Montt OpenStreetMap lists 4 garden centres, 1 plant nursery and 11 markets (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Puerto Montt?

In Puerto Montt, crocus: plant by 7 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 Puerto Montt?

Last spring frost around 22 August, first autumn frost around 6 June.

Other crops in Puerto Montt, with their dates