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When to plant watermelons in Bariloche

In Bariloche, watermelon: sow for seedlings from 15 November; plant into a greenhouse from 13 December; plant out into open ground from 3 January. The frost-free season here is shorter than the 59 days the crop needs from planting to harvest (by its card): grow it in a greenhouse or choose an early variety. For plants and seeds, the places nearby include Oni Ramen (garden centre, 13 km); addresses and opening hours are below.

Watermelon in Bariloche: soil, season and weather

In the median year the top 7 cm of soil in Bariloche does not reach 18 °C, the minimum on the watermelon card, before August; the date follows the last frost (27 December), and the bed stays cooler than the card asks. Only 8 days lie between planting out (3 January) and the first autumn frost (11 January), against the card's 59 days to the first harvest: even an unheated greenhouse, three weeks earlier, falls 30 days short without heat or a faster variety.

Last spring frost27 December
Into an unheated greenhousefrom 13 December; December outside: 3 °C at night, 15.1 °C by day; card 18–35 °C
First autumn frost11 January, 8 days after the start
Days in the bed to the first harvest (card)59
Days left for picking-51
Daylight15:00 on 6 December, 15:03 on 3 January
Watering outdoors when fruiting (card)every 5 days; the driest month, January, has 5 rainy days

The same dates in Bariloche hold for Tomato, Cucumber, Bell Pepper, Eggplant, Zucchini and Pumpkin.

Watermelon in Bariloche: care after planting

Planted on 3 January: in the first weeks water every 5 days.

Feeding, by the card’s schedule from that day:

  • 3 January — feed: balanced (NPK)

Pests and diseases of watermelon to watch for:

Dates count from the first planting day of the window above; a later planting moves them by as many days.

Weather in Bariloche during the watermelon season

No month of the season averages above the watermelon card's 18–35 °C by day; the warmest, January, averages 17.8 °C. Months that stay below 18 °C even by day on average: January (17.8 °C). Nights average below 18 °C in every month of the season, from 4.7 °C to 4.7 °C.

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
January17.84.735514:48

ERA5 2016–2025, Open-Meteo

Watermelon in nearby cities

All the nearest cities on our list plant watermelon earlier than Bariloche; the closest date is in Puerto Montt, 5 days earlier.

CityDistanceDateDifference
Puerto Montt141 km29 December – 25 February5 days earlier
Osorno166 km29 December – 21 February5 days earlier
Valdivia222 km11 December – 4 March23 days earlier
Temuco290 km9 December – 11 February25 days earlier
Neuquén369 km17 October – 28 February78 days earlier
Los Ángeles419 km23 November – 20 February41 days earlier

Where to buy watermelon plants and seeds near Bariloche

Buy plants ready to set out from 3 January (from 13 December for an unheated greenhouse); seed for raising your own is sown from 15 November. 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 watermelons in Bariloche?

In Bariloche, watermelon: sow for seedlings from 15 November; plant into a greenhouse from 13 December; plant out into open ground from 3 January. The frost-free season here is shorter than the 59 days the crop needs from planting to harvest (by its card): grow it in a greenhouse or choose an early variety.

When to sow watermelons for seedlings in Bariloche?

Sow for seedlings from 15 November.

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