When to plant zucchini in Santiago de Compostela: 5 June – 30 September

In Santiago de Compostela, zucchini: sow for seedlings from 24 April to 9 September; plant into a greenhouse from 15 May to 30 September; plant out into open ground from 5 June to 30 September.

Zucchini in Santiago de Compostela: soil, season and weather

In Santiago de Compostela the soil, not frost, sets the date: the last frost is over around 6 February, but the top 7 cm of soil reaches 18 °C — the minimum on the zucchini card — only around 5 June, 119 days later.

Last spring frost	6 February
Top 7 cm of soil at 18 °C	5 June, 119 days after the last frost
First autumn frost	17 December, 195 days after the start
Days in the bed to the first harvest (card)	36
First harvest, if planted in this window	11 July – 5 November
Days left for picking	159
Daylight	14:38 on 15 May, 15:12 on 5 June
Watering outdoors when fruiting (card)	every 3 days; the driest month, July, has 6 rainy days

The same dates in Santiago de Compostela hold for Cucumber, Bell Pepper, Eggplant, Pumpkin and Watermelon.

Zucchini in Santiago de Compostela: care after planting

Planted on 5 June: in the first weeks water every 4 days.

Pests and diseases of zucchini to watch for:

Weather in Santiago de Compostela during the zucchini season

About 833 mm of rain falls in the season; July is the driest month (29 mm) and December the wettest (215 mm).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
June	20.8	12.5	78	12	15:20
July	23.7	14.3	29	6	15:03
August	24.5	14.8	33	6	13:58
September	21.7	13.2	80	11	12:33
October	18.6	11.2	205	15	11:06
November	13.9	7.8	193	17	9:46
December	12.2	6	215	16	9:03

ERA5 2016–2025, Open-Meteo

Zucchini in nearby cities

1 of the nearest cities share Santiago de Compostela's date.

City	Distance	Date	Difference
Pontevedra	51 km	from 26 May	10 days earlier
A Coruña	54 km	from 5 June	same day
Vigo	74 km	from 9 May	27 days earlier
Lugo	80 km	1 June – 17 September	4 days earlier
Ourense	81 km	1 June – 16 September	4 days earlier
Viana do Castelo	135 km	30 May – 25 September	6 days earlier

Where to buy zucchini plants and seeds near Santiago de Compostela

Buy plants ready to set out from 5 June to 30 September (from 15 May to 30 September for an unheated greenhouse); seed for raising your own is sown from 24 April to 9 September. Within 15 km of Santiago de Compostela OpenStreetMap lists 8 garden centres, 11 farm-supply shops, 4 plant nurseries and 4 markets (collected 28 October 2026).

Galicia Garden — plant nursery
5 km
Agro A Nosa Terra — farm supply
8 km · agroanosaterra.es
Comercial Bastavales — farm supply
12 km · comercialbastavales.com
Jonh Deere Agrícola Noroeste — farm supply
4 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