GreenlyWhen to plant cucumbers in Posadas: from 25 July
In Posadas, cucumber: sow for seedlings from 6 June; plant into a greenhouse from 4 July; plant out into open ground from 25 July. There is no autumn frost here, so the frost dates set no end to the window. For plants and seeds, the places nearby include Agropecuaria del Paraná SA (farm supply, 2 km) and Vivero El Triunfo (plant nursery, 2 km); addresses and opening hours are below.
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Cucumber in Posadas: soil, season and weather
In Posadas frost, not soil, sets the date: the top 7 cm of soil warms to 18 °C — the minimum on the cucumber card — around 19 July, 1 day after the last frost on 18 July, so planting waits only for the week after that frost. Posadas has no autumn frost in the median year, so frost does not end the season.
| Last spring frost | 18 July |
|---|---|
| Top 7 cm of soil at 18 °C | 19 July, 1 day after the last frost |
| Into an unheated greenhouse | from 4 July; July outside: 11.8 °C at night, 21.2 °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 28 August |
| Daylight | 10:25 on 27 June, 10:42 on 25 July |
| Watering outdoors when fruiting (card) | every 2 days; the driest month, July, has 6 rainy days |
The same dates in Posadas hold for Tomato, Bell Pepper, Eggplant, Zucchini, Pumpkin and Watermelon.
Cucumber in Posadas: care after planting
Planted on 25 July: in the first weeks water every 4 days.
Feeding, by the card’s schedule from that day:
- 1 August — 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 Posadas during the cucumber season
No month of the season averages above the cucumber card's 18–35 °C by day; the warmest, December, averages 30.7 °C. Nights average below 18 °C in July–October (11.8–17 °C).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days | Daylight on the 15th |
|---|---|---|---|---|---|
| July | 21.2 | 11.8 | 80 | 6 | 10:34 |
| August | 22.8 | 12.7 | 91 | 7 | 11:08 |
| September | 25.2 | 15.1 | 138 | 9 | 11:54 |
| October | 26.6 | 17 | 224 | 13 | 12:43 |
| November | 28.8 | 18.5 | 193 | 11 | 13:28 |
| December | 30.7 | 20.6 | 134 | 11 | 13:51 |
ERA5 2016–2025, Open-Meteo
Cucumber in nearby cities
1 of the nearest cities share Posadas's date.
| City | Distance | Date | Difference |
|---|---|---|---|
| Santa Maria | 328 km | 14 August – 28 March | 20 days later |
| Chapecó | 328 km | 12 September – 8 April | 49 days later |
| Passo Fundo | 358 km | 8 September – 2 April | 45 days later |
| Cascavel | 365 km | 25 July – 13 April | same day |
| Rivera | 392 km | 28 September – 25 March | 65 days later |
| Tacuarembó | 480 km | 14 October – 29 March | 81 days later |
Where to buy cucumber plants and seeds near Posadas
Buy plants ready to set out from 25 July (from 4 July for an unheated greenhouse); seed for raising your own is sown from 6 June. Within 15 km of Posadas OpenStreetMap lists 8 garden centres, 1 farm-supply shop, 3 plant nurseries and 24 markets (collected 27 October 2026).
- Patoty — garden centre
Avenida Urquiza, 3300 Posadas · 4 km - Vivero Municipal — plant nursery
Mon–Fri 07:00–17:00 · 3 km - Vivero El Triunfo — plant nursery
Florentino Ameghino, 3300 Posadas · 2 km - Agropecuaria del Paraná SA — farm supply · sells seed
Avenida Uruguay 4908, N3300MOX Posadas · 2 km
Places: © OpenStreetMap contributors, ODbL.
- How to grow cucumber
- All frost dates and weather of Posadas
- Shops and markets: Posadas
- Selling a surplus in Argentina
- When to plant cucumbers in Argentina
- Moon planting calendar for November 2026
- How we calculate the dates
Questions
When to plant cucumbers in Posadas?
In Posadas, cucumber: sow for seedlings from 6 June; plant into a greenhouse from 4 July; plant out into open ground from 25 July. There is no autumn frost here, so the frost dates set no end to the window.
When to sow cucumbers for seedlings in Posadas?
Sow for seedlings from 6 June.
