When to plant cucumbers in Paraná: from 10 September

In Paraná, cucumber: sow for seedlings from 23 July; plant into a greenhouse from 20 August; plant out into open ground from 10 September. There is no autumn frost here, so the frost dates set no end to the window.

Cucumber in Paraná: soil, season and weather

In Paraná the soil, not frost, sets the date: the last frost is over around 8 July, but the top 7 cm of soil reaches 18 °C — the minimum on the cucumber card — only around 10 September, 64 days later. Paraná has no autumn frost in the median year, so frost does not end the season.

Last spring frost	8 July
Top 7 cm of soil at 18 °C	10 September, 64 days after the last frost
Into an unheated greenhouse	from 20 August; August outside: 9.7 °C at night, 19.3 °C by day; card 18–25 °C
Days in the bed to the first harvest (card)	34
First harvest, if planted in this window	from 14 October
Daylight	10:53 on 13 August, 11:43 on 10 September
Watering outdoors when fruiting (card)	every 2 days; the driest month, September, has 5 rainy days

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

Cucumber in Paraná: care after planting

Planted on 10 September: in the first weeks water every 4 days.

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

17 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 Paraná during the cucumber season

No month of the season averages above the cucumber card's 18–35 °C by day; the warmest, January, averages 30.9 °C. Nights average below 18 °C in September (11.8 °C), October (14.4 °C) and November (17.4 °C).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
September	22.1	11.8	44	5	11:52
October	24.8	14.4	84	8	12:50
November	27.8	17.4	89	7	13:44
December	29.8	19.7	98	8	14:12
January	30.9	21.6	118	8	14:00
February	29.9	20.8	107	7	13:13

ERA5 2016–2025, Open-Meteo

Cucumber in nearby cities

Around Paraná, Salto is 19 days earlier and Buenos Aires 27 days later.

City	Distance	Date	Difference
Santa Fe	19 km	from 20 September	10 days later
Rosario	136 km	29 September – 30 March	19 days later
Paysandú	240 km	21 September – 11 April	11 days later
Salto	247 km	from 22 August	19 days earlier
Córdoba	347 km	1 October – 30 March	21 days later
Buenos Aires	377 km	from 7 October	27 days later

Where to buy cucumber plants and seeds near Paraná

Buy plants ready to set out from 10 September (from 20 August for an unheated greenhouse); seed for raising your own is sown from 23 July. Within 15 km of Paraná OpenStreetMap lists 1 garden centre and 5 markets (collected 27 October 2026).

Vivero Municipal de Paraná — garden centre
8 km
El Progreso — market
5 km
Supermercado Amanecer — market
Avenida Zanni 2614, 3100 Paraná · 6 km
Mercado Nogoyá — market
Nogoyá, 3100 Paraná · 1 km

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