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When to plant crocuses in Chillán: by 13 May

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

Crocus in Chillán: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in July, average 4.1 °C.

Plantingby 13 May
First autumn frost12 June
Coldest nightsJuly, 4.1 °C
Soil back at 1 °C in springalready in the first week of July
Daylight10:15 on 13 May
Daylight at the winter solstice9:39

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

Crocus in Chillán: 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 Chillán 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 Chillán, Temuco is 20 days earlier and Concepción 1 day later.

CityDistanceDateDifference
Concepción88 kmby 14 May1 day later
Los Ángeles98 kmby 2 May11 days earlier
Talca138 kmby 14 May1 day later
Curicó196 kmby 8 May5 days earlier
Temuco241 kmby 23 April20 days earlier
Rancagua298 kmby 13 Maysame day

Where to buy crocus for planting in Chillán

Planting stock goes into the ground by 13 May; buy it before that. Within 15 km of Chillán OpenStreetMap lists 4 markets (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant crocuses in Chillán?

In Chillán, crocus: plant by 13 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 Chillán?

Last spring frost around 30 August, first autumn frost around 12 June.

Other crops in Chillán, with their dates