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When to plant tulips in Bariloche: 12 December – 14 May

In Bariloche, tulip: plant from 12 December to about 14 May. For planting stock, the places nearby include Oni Ramen (garden centre, 13 km); addresses and opening hours are below.

Bulbs are best planted early in the window: late-planted bulbs may flower later or less well. Late planting works only while the soil can be dug. Mulch after planting.

The date is about two weeks before the average daily temperature here falls below 0 °C (ten years of weather): an estimate, not the day the ground freezes, and a cold spell can freeze it earlier. Sources: Iowa State University Extension, Wisconsin Horticulture Extension, UNH Extension, RHS, how the ground freezes (NRC Canada, CBD-26).

Tulip in Bariloche: soil, season and weather

Nights then average below 0 °C in May–October; the coldest, July, averages -5 °C.

Planting12 December – 14 May
First autumn frost11 January
Coldest nightsJuly, -5 °C
Soil back at 7 °C in spring2 December
Daylight15:05 on 12 December
Daylight at the winter solstice9:12

The same dates in Bariloche hold for Garlic, Daffodil, Crocus and Hyacinth.

Tulip in Bariloche: depth, winter cold, pests and pets

Plant tulips at a depth of two to three times the bulb’s height, at least twice the bulb’s width apart, pointed end up (RHS). Where winters are very cold, tulips benefit from deeper planting to protect them from frost penetrating the soil (RHS); here the average daily temperature drops below 0 °C in winter.

In Bariloche the average daily temperature stays at 10 °C or lower for about 43 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.

Border tulips often fail to flower in their second year if left in the ground, so many gardeners grow them for one spring and plant fresh bulbs each autumn; Darwin hybrid and Kaufmanniana tulips reflower more reliably (RHS). Soils that stay wet in summer make reflowering difficult (RHS): in Bariloche the three warmest months bring about 107 mm of rain together.

Grey squirrels often dig up tulip bulbs: lay chicken wire over the bed until the leaves appear, or plant daffodils among them, which squirrels avoid (RHS). Tulips are toxic to dogs, cats and horses, the bulb most of all (ASPCA).

Sources: RHS, Wisconsin Horticulture Extension, ASPCA.

Tulip in nearby cities

All the nearest cities on our list plant tulip later than Bariloche; the closest date is in Temuco, 132 days later.

CityDistanceDateDifference
Puerto Montt141 kmby 7 May146 days later
Osorno166 kmby 3 May142 days later
Valdivia222 kmby 15 May154 days later
Temuco290 kmby 23 April132 days later
Neuquén369 kmby 10 May149 days later
Los Ángeles419 kmby 2 May141 days later

Where to buy tulip for planting in Bariloche

Planting stock goes into the ground from 12 December to about 14 May; buy it before that. Within 15 km of Bariloche OpenStreetMap lists 6 garden centres, 5 markets and 2 farm shops (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant tulips in Bariloche?

In Bariloche, tulip: plant from 12 December to about 14 May. Bulbs are best planted early in the window: late-planted bulbs may flower later or less well. Late planting works only while the soil can be dug. Mulch after planting.

When is the last spring frost in Bariloche?

Last spring frost around 27 December, first autumn frost around 11 January.

Other crops in Bariloche, with their dates