When to plant watermelons in Córdoba (Spain): 21 April – 18 September

In Córdoba (Spain), watermelon: sow for seedlings from 3 March to 21 August; plant into a greenhouse from 31 March to 18 September; plant out into open ground from 21 April to 18 September.

Watermelon in Córdoba (Spain): soil, season and weather

In Córdoba (Spain) the soil, not frost, sets the date: the last frost is over around 19 January, but the top 7 cm of soil reaches 18 °C — the minimum on the watermelon card — only around 21 April, 92 days later.

Last spring frost	19 January
Top 7 cm of soil at 18 °C	21 April, 92 days after the last frost
Into an unheated greenhouse	31 March – 18 September; March outside: 7.4 °C at night, 17.8 °C by day; card 18–35 °C
First autumn frost	28 December, 251 days after the start
Days in the bed to the first harvest (card)	59
First harvest, if planted in this window	19 June – 16 November
Days left for picking	192
Daylight	12:17 on 24 March, 13:23 on 21 April
Watering outdoors when fruiting (card)	every 5 days; the driest month, July, has 0 rainy days

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

Watermelon in Córdoba (Spain): care after planting

Planted on 21 April: in the first weeks water every 5 days.

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

21 April — feed: balanced (NPK)

Pests and diseases of watermelon 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 Córdoba (Spain) during the watermelon season

Days average above the watermelon card's 18–35 °C in July (36.3 °C) and August (36 °C). Months that stay below 18 °C even by day on average: November (17.2 °C) and December (14.2 °C). Nights average below 18 °C in April, May and September–December (5.5–17.7 °C).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
April	21	10.1	55	8	13:10
May	26.4	13.7	34	6	14:12
June	31.8	18.1	14	2	14:47
July	36.3	21.3	1	0	14:33
August	36	21.7	4	1	13:39
September	30.1	17.7	26	3	12:28
October	24.8	14	66	7	11:16
November	17.2	8.2	67	8	10:09
December	14.2	5.5	59	7	9:33

ERA5 2016–2025, Open-Meteo

Watermelon in nearby cities

Around Córdoba (Spain), Seville is 19 days earlier and Granada 40 days later.

City	Distance	Date	Difference
Écija	48 km	9 April – 18 September	12 days earlier
Jaén	87 km	26 April – 7 September	5 days later
Seville	120 km	from 2 April	19 days earlier
Úbeda	123 km	7 May – 24 August	16 days later
Granada	130 km	31 May – 17 August	40 days later
Ciudad Real	143 km	7 May – 19 August	16 days later

Where to buy watermelon plants and seeds near Córdoba (Spain)

Buy plants ready to set out from 21 April to 18 September (from 31 March to 18 September for an unheated greenhouse); seed for raising your own is sown from 3 March to 21 August. Within 15 km of Córdoba (Spain) OpenStreetMap lists 2 garden centres and 9 markets (collected 27 October 2026).

Mercado Victoria — market
Paseo de la Victoria · 2 km · mercadovictoria.com
Mercado municipal — market
Avenida de la Viñuela 1 · 1 km
Zimal alimentación — market
Avenida Almogávares 42 · 1 km
Viveros de Olivos San Eloy — garden centre
15 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.

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