When to plant pumpkins in Leiria: from 12 May

In Leiria, pumpkin: sow for seedlings from 10 March; plant into a greenhouse from 21 April; plant out into open ground from 12 May. There is no autumn frost here, so the frost dates set no end to the window.

Pumpkin in Leiria: soil, season and weather

In Leiria the soil, not frost, sets the date: the last frost is over around 22 January, but the top 7 cm of soil reaches 18 °C — the minimum on the pumpkin card — only around 12 May, 110 days later. Leiria has no autumn frost in the median year, so frost does not end the season.

Last spring frost	22 January
Top 7 cm of soil at 18 °C	12 May, 110 days after the last frost
Days in the bed to the first harvest (card)	75
First harvest, if planted in this window	from 26 July
Daylight	12:36 on 31 March, 14:15 on 12 May
Watering outdoors when fruiting (card)	every 5 days; the driest month, August, has 1 rainy day

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

Pumpkin in Leiria: care after planting

Planted on 12 May: in the first weeks water every 4 days.

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

2 June — 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 Leiria during the pumpkin season

About 269 mm of rain falls in the season; August is the driest month (6 mm) and October the wettest (114 mm).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
May	22	11.8	57	9	14:21
June	24.1	14.1	46	9	14:58
July	27	15.6	9	3	14:44
August	27.7	15.7	6	1	13:46
September	25.9	14.6	37	6	12:30
October	22.8	13.4	114	11	11:12

ERA5 2016–2025, Open-Meteo

Pumpkin in nearby cities

Around Leiria, Castelo Branco is 12 days earlier and Viseu 15 days later.

City	Distance	Date	Difference
Santarém	58 km	from 6 May	6 days earlier
Coimbra	61 km	from 12 May	same day
Castelo Branco	113 km	30 April – 31 August	12 days earlier
Viseu	128 km	27 May – 15 August	15 days later
Évora	151 km	from 5 May	7 days earlier
Porto	158 km	22 May – 24 August	10 days later

Where to buy pumpkin plants and seeds near Leiria

Buy plants ready to set out from 12 May (from 21 April for an unheated greenhouse); seed for raising your own is sown from 10 March. Within 15 km of Leiria OpenStreetMap lists 2 garden centres, 4 farm-supply shops, 2 plant nurseries and 8 markets (collected 27 October 2026).

Mercado Municipal de Leiria — market
08:00–12:00 · 1 km
Feira de Leiria — market
Tue, Sat 08:00–18:00 · 1 km
Pavilhão Multiusos — market
Rua de Dom Duarte I · 9 km
Selectics O seu Parceiro na Agricultura — garden centre
13 km

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