When to plant tomatoes in Palencia: 9 May – 23 July

In Palencia, tomato: sow for seedlings from 25 February to 1 June; plant into a greenhouse from 18 April to 23 July; plant out into open ground from 9 May to 23 July.

Tomato in Palencia: soil, season and weather

In Palencia the soil, not frost, sets the date: the last frost is over around 10 April, but the top 7 cm of soil reaches 15 °C — the minimum on the tomato card — only around 9 May, 29 days later.

Last spring frost	10 April
Top 7 cm of soil at 15 °C	9 May, 29 days after the last frost
Into an unheated greenhouse	18 April – 23 July; April outside: 4.7 °C at night, 16.7 °C by day; card 16–27 °C
First autumn frost	12 November, 187 days after the start
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	18 July – 1 October
Days left for picking	117
Daylight	12:01 on 18 March, 14:20 on 9 May
Watering outdoors when fruiting (card)	every 3 days; the driest month, July, has 2 rainy days

Tomato in Palencia: care after planting

Planted on 9 May: in the first weeks water every 4 days.

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

9 May — feed: balanced (NPK)
6 June — feed: nitrogen

Pests and diseases of tomato 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 Palencia during the tomato season

Days average above the tomato card's 16–27 °C in July (30.4 °C) and August (30.4 °C). Months that stay below 16 °C even by day on average: November (12.2 °C). Nights average below 16 °C in every month of the season, from 3.6 °C to 14.9 °C.

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
May	21	8	47	9	14:33
June	26.1	12.2	45	8	15:13
July	30.4	14.6	9	2	14:57
August	30.4	14.9	9	2	13:54
September	24.6	11.4	25	5	12:32
October	19.6	8.2	54	9	11:08
November	12.2	3.6	59	11	9:50

ERA5 2016–2025, Open-Meteo

Tomato in nearby cities

Around Palencia, Zamora is 18 days earlier and Segovia 11 days later.

City	Distance	Date	Difference
Valladolid	43 km	29 April – 7 August	10 days earlier
Burgos	77 km	15 May – 28 July	6 days later
Aranda de Duero	78 km	11 May – 24 July	2 days later
León (Spain)	108 km	4 May – 19 July	5 days earlier
Zamora	115 km	21 April – 29 July	18 days earlier
Segovia	122 km	20 May – 19 July	11 days later

Where to buy tomato plants and seeds near Palencia

Buy plants ready to set out from 9 May to 23 July (from 18 April to 23 July for an unheated greenhouse); seed for raising your own is sown from 25 February to 1 June. Within 15 km of Palencia OpenStreetMap lists 1 farm-supply shop and 5 markets (collected 27 October 2026).

Mercadillo del recinto ferial — market
Sun 09:00–14:00 · 0 km
Mercadillo de San Juanillo — market
Wed 09:00–14:00 · 1 km
Mercadillo del Paseo de la Julia — market
Tue 09:00–14:00 · 2 km
Mercado de Abastos — market
Mon–Sat 08:30–14:00 · 1 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