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When to plant tomatoes in Portugal: 21 March – 7 September

Tomato in Portugal: plant out into open ground from 21 March to 7 September.

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.

Planting window by climate zone

ZoneCitiesWindow
270 frost-free days or morePorto, Braga, Viseu, Viana do Castelo, Beja, Castelo Branco, Vila Real21 March – 7 September
210–269 frost-free daysBragança, Guarda9 May – 6 August
Frost without a regular seasonCoimbra, Évora, Leiria, Santarémfrom 9 April

Tomato: the window in each city

CityWindowZone
Beja21 March – 7 September270 frost-free days or more
Castelo Branco2 April – 5 September270 frost-free days or more
Évorafrom 2 AprilFrost without a regular season
Santarémfrom 2 AprilFrost without a regular season
Coimbrafrom 9 AprilFrost without a regular season
Leiriafrom 9 AprilFrost without a regular season
Braga13 April – 2 September270 frost-free days or more
Vila Real13 April – 1 September270 frost-free days or more
Porto15 April – 29 August270 frost-free days or more
Viseu27 April – 20 August270 frost-free days or more
Viana do Castelo2 May – 22 August270 frost-free days or more
Guarda9 May – 5 August210–269 frost-free days
Bragança13 May – 6 August210–269 frost-free days