When to plant pumpkins in San Rafael: 22 September – 8 February

In San Rafael, pumpkin: sow for seedlings from 21 July to 28 December; plant into a greenhouse from 1 September to 8 February; plant out into open ground from 22 September to 8 February. For plants and seeds, the places nearby include Vivero Cedro Azul (garden centre, 2 km); addresses and opening hours are below.

Pumpkin in San Rafael: soil, season and weather

In San Rafael the soil, not frost, sets the date: the last frost is over around 23 August, but the top 7 cm of soil reaches 18 °C — the minimum on the pumpkin card — only around 22 September, 30 days later.

Last spring frost	23 August
Top 7 cm of soil at 18 °C	22 September, 30 days after the last frost
First autumn frost	4 June, 256 days after the start
Days in the bed to the first harvest (card)	75
First harvest, if planted in this window	6 December – 23 April
Days left for picking	181
Daylight	10:41 on 11 August, 12:06 on 22 September
Watering outdoors when fruiting (card)	every 5 days; the driest month, June, has 2 rainy days

The same dates in San Rafael hold for Cucumber, Bell Pepper, Eggplant, Zucchini and Watermelon.

Pumpkin in San Rafael: care after planting

Planted on 22 September: in the first weeks water every 4 days.

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

13 October — feed: nitrogen

Pests and diseases of pumpkin 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 San Rafael during the pumpkin season

About 318 mm of rain falls in the season; June is the driest month (9 mm) and January the wettest (52 mm).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
September	21.4	7.4	12	2	11:51
October	24.2	10.3	47	5	12:55
November	28.3	14.5	32	5	13:55
December	31	17.3	26	5	14:27
January	31.6	19	52	8	14:13
February	30.4	18	44	7	13:21
March	26.9	14.9	35	5	12:20
April	22	10.7	29	4	11:14
May	17.1	6.6	32	5	10:20
June	14.4	2.8	9	2	9:51

ERA5 2016–2025, Open-Meteo

Pumpkin in nearby cities

Around San Rafael, Mendoza is 3 days earlier and Rancagua 45 days later.

City	Distance	Date	Difference
Mendoza	198 km	19 September – 20 February	3 days earlier
Rancagua	226 km	6 November – 15 February	45 days later
San Luis	238 km	25 September – 26 February	3 days later
Santiago	251 km	14 October – 21 February	22 days later
Curicó	268 km	31 October – 10 February	39 days later
Talca	314 km	6 November – 16 February	45 days later

Where to buy pumpkin plants and seeds near San Rafael

Buy plants ready to set out from 22 September to 8 February (from 1 September to 8 February for an unheated greenhouse); seed for raising your own is sown from 21 July to 28 December. Within 15 km of San Rafael OpenStreetMap lists 1 garden centre, 1 market and 1 farm shop (collected 28 October 2026).

Vivero Cedro Azul — garden centre
Marcelino Champagnat 435, 5600 · 2 km
La Lili — market
Lassa, 5600 · Tue–Sun 09:00–21:00 · 7 km
Finca Rubio — farm shop
11 km

Each window starts on the Greenly calendar date and ends on the last day that still leaves the crop’s days to harvest (from its card) before the average first autumn frost, plus six weeks of picking for crops harvested over weeks (tomatoes, peppers, aubergines, cucumbers, courgettes, pumpkins, watermelons, beans) — our rule; earlier in the window is safer.

Questions