Greenly Garden

When to plant zucchini in Guadalajara (Spain): 17 May – 7 September

In Guadalajara (Spain), zucchini: sow for seedlings from 5 April to 17 August; plant into a greenhouse from 26 April to 7 September; plant out into open ground from 17 May to 7 September.

Zucchini in Guadalajara (Spain): soil, season and weather

In Guadalajara (Spain) the soil, not frost, sets the date: the last frost is over around 25 March, but the top 7 cm of soil reaches 18 °C — the minimum on the zucchini card — only around 17 May, 53 days later.

Last spring frost25 March
Top 7 cm of soil at 18 °C17 May, 53 days after the last frost
First autumn frost24 November, 191 days after the start
Days in the bed to the first harvest (card)36
First harvest, if planted in this window22 June – 13 October
Days left for picking155
Daylight13:44 on 26 April, 14:29 on 17 May
Watering outdoors when fruiting (card)every 3 days; the driest month, July, has 1 rainy day

The same dates in Guadalajara (Spain) hold for Cucumber, Bell Pepper, Eggplant, Pumpkin and Watermelon.

Zucchini in Guadalajara (Spain): care after planting

Planted on 17 May: in the first weeks water every 4 days.

Pests and diseases of zucchini to watch for:

Weather in Guadalajara (Spain) during the zucchini season

About 268 mm of rain falls in the season; July is the driest month (6 mm) and October the wettest (77 mm).

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
May22.59.542814:26
June28.314.632615:04
July32.917.96114:49
August32.51812113:49
September25.913.347612:30
October20.99.577911:11
November13.74.45299:57

ERA5 2016–2025, Open-Meteo

Zucchini in nearby cities

Around Guadalajara (Spain), Toledo is 6 days earlier and Segovia 15 days later.

CityDistanceDateDifference
Madrid51 km14 May – 10 September3 days earlier
Segovia88 km1 June – 22 August15 days later
Cuenca (Spain)107 km14 May – 27 August3 days earlier
Toledo113 km11 May – 19 September6 days earlier
Aranda de Duero124 km31 May – 27 August14 days later
Ávila130 km31 May – 31 August14 days later

Where to buy zucchini plants and seeds near Guadalajara (Spain)

Buy plants ready to set out from 17 May to 7 September (from 26 April to 7 September for an unheated greenhouse); seed for raising your own is sown from 5 April to 17 August. Within 15 km of Guadalajara (Spain) OpenStreetMap lists 3 garden centres, 1 plant nursery and 2 markets (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

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

When to plant zucchini in Guadalajara (Spain)?

In Guadalajara (Spain), zucchini: sow for seedlings from 5 April to 17 August; plant into a greenhouse from 26 April to 7 September; plant out into open ground from 17 May to 7 September.

When to sow zucchini for seedlings in Guadalajara (Spain)?

Sow for seedlings from 5 April to 17 August.

When is the last spring frost in Guadalajara (Spain)?

Last spring frost around 25 March, first autumn frost around 24 November.

Other crops in Guadalajara (Spain), with their dates