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When to plant hyacinths in Osorno: by 3 May

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

Hyacinth 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 Crocus.

Hyacinth in Osorno: depth, winter cold, pests and pets

Plant hyacinths 10 cm deep, at least 7.5 cm apart (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 12–15 weeks at about 2–10 °C. The winter here gives that in the ground, so the bulbs need no pre-chilling.

Flowers get smaller in the years after planting: for full spikes, replace the bulbs or add a few new ones each autumn (RHS).

If squirrels are a problem, protect the bulbs with wire mesh (RHS). Hyacinths are toxic to dogs, cats and horses: intense vomiting and diarrhoea (ASPCA).

Sources: RHS, Wisconsin Horticulture Extension, ASPCA.

Hyacinth 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 hyacinth 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 hyacinths in Osorno?

In Osorno, hyacinth: 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