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When to plant cucumbers in Curitiba: from 3 September

In Curitiba, cucumber: sow for seedlings from 16 July; plant into a greenhouse from 13 August; plant out into open ground from 3 September. There is no autumn frost here, so the frost dates set no end to the window. For plants and seeds, the places nearby include Casa do Produtor (farm supply, 7 km) and Agrorural (farm supply, 14 km); addresses and opening hours are below.

Cucumber in Curitiba: soil, season and weather

In Curitiba the soil, not frost, sets the date: the last frost is over around 19 July, but the top 7 cm of soil reaches 18 °C — the minimum on the cucumber card — only around 3 September, 46 days later. Curitiba has no autumn frost in the median year, so frost does not end the season.

Last spring frost19 July
Top 7 cm of soil at 18 °C3 September, 46 days after the last frost
Into an unheated greenhousefrom 13 August; August outside: 10.3 °C at night, 20 °C by day; card 18–25 °C
Days in the bed to the first harvest (card)34
First harvest, if planted in this windowfrom 7 October
Daylight11:02 on 6 August, 11:38 on 3 September
Watering outdoors when fruiting (card)every 2 days; the driest month, September, has 10 rainy days

The same dates in Curitiba hold for Bell Pepper, Eggplant, Zucchini, Pumpkin and Watermelon.

Cucumber in Curitiba: care after planting

Planted on 3 September: in the first weeks water every 4 days.

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

  • 10 September — feed: nitrogen

Pests and diseases of cucumber 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 Curitiba during the cucumber season

No month of the season averages above the cucumber card's 18–35 °C by day; the warmest, January, averages 25.5 °C. Nights average below 18 °C in every month of the season, from 12.7 °C to 17.8 °C.

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
September22.612.71051011:55
October22.4141721812:40
November23.414.71211713:21
December25.416.81622113:43
January25.517.82032413:33

ERA5 2016–2025, Open-Meteo

Cucumber in nearby cities

Around Curitiba, Cascavel is 40 days earlier and Lages 21 days later.

CityDistanceDateDifference
Ponta Grossa97 km4 September – 9 April1 day later
Guarapuava221 km22 September – 8 April19 days later
Lages286 km24 September – 8 April21 days later
Chapecó382 km12 September – 8 April9 days later
Cascavel425 km25 July – 13 April40 days earlier
Passo Fundo443 km8 September – 2 April5 days later

Where to buy cucumber plants and seeds near Curitiba

Buy plants ready to set out from 3 September (from 13 August for an unheated greenhouse); seed for raising your own is sown from 16 July. Within 15 km of Curitiba OpenStreetMap lists 3 garden centres, 2 farm-supply shops, 1 plant nursery, 31 markets and 2 farm shops (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant cucumbers in Curitiba?

In Curitiba, cucumber: sow for seedlings from 16 July; plant into a greenhouse from 13 August; plant out into open ground from 3 September. There is no autumn frost here, so the frost dates set no end to the window.

When to sow cucumbers for seedlings in Curitiba?

Sow for seedlings from 16 July.

Other crops in Curitiba, with their dates