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When to plant hyacinths in Comodoro Rivadavia: by 24 April

In Comodoro Rivadavia, hyacinth: plant by 24 April. The winter here is too mild for our late-planting rule, so we give no later limit. For planting stock, the places nearby include Deposito Rural (farm shop, 4 km); addresses and opening hours are below.

Hyacinth in Comodoro Rivadavia: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in July, average 2.6 °C.

Plantingby 24 April
First autumn frost24 May
Coldest nightsJuly, 2.6 °C
Soil back at 1 °C in springalready in the first week of July
Daylight10:22 on 24 April
Daylight at the winter solstice8:39

The same dates in Comodoro Rivadavia hold for Garlic, Tulip, Daffodil and Crocus.

Hyacinth in Comodoro Rivadavia: depth, winter cold, pests and pets

Plant hyacinths 10 cm deep, at least 7.5 cm apart (RHS).

In Comodoro Rivadavia the average daily temperature stays at 10 °C or lower for about 18 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 Comodoro Rivadavia, Bariloche is 133 days earlier and Puerto Montt 13 days later.

CityDistanceDateDifference
Trelew338 kmby 29 April5 days later
Coyhaique357 km15 December – 25 May130 days earlier
Bariloche607 km12 December – 14 May133 days earlier
Río Gallegos653 km7 March – end of June48 days earlier
Puerto Montt656 kmby 7 May13 days later
Osorno745 kmby 3 May9 days later

Where to buy hyacinth for planting in Comodoro Rivadavia

Planting stock goes into the ground by 24 April; buy it before that. Within 15 km of Comodoro Rivadavia OpenStreetMap lists 2 plant nurseries, 1 market and 1 farm shop (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant hyacinths in Comodoro Rivadavia?

In Comodoro Rivadavia, hyacinth: plant by 24 April. The winter here is too mild for our late-planting rule, so we give no later limit.

When is the last spring frost in Comodoro Rivadavia?

Last spring frost around 10 September, first autumn frost around 24 May.

Other crops in Comodoro Rivadavia, with their dates