When to plant tomatoes in Potenza: 29 May – 5 August

In Potenza, tomato: sow for seedlings from 17 March to 14 June; plant into a greenhouse from 8 May to 5 August; plant out into open ground from 29 May to 5 August. For plants and seeds, the places nearby include Olimpo Verde (garden centre, 6 km); addresses and opening hours are below.

Tomato in Potenza: soil, season and weather

In Potenza the soil, not frost, sets the date: the last frost is over around 15 April, but the top 7 cm of soil reaches 15 °C — the minimum on the tomato card — only around 29 May, 44 days later.

Last spring frost	15 April
Top 7 cm of soil at 15 °C	29 May, 44 days after the last frost
Into an unheated greenhouse	8 May – 5 August; May outside: 7.3 °C at night, 17.5 °C by day; card 16–27 °C
First autumn frost	25 November, 180 days after the start
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	7 August – 14 October
Days left for picking	110
Daylight	12:55 on 7 April, 14:49 on 29 May
Watering outdoors when fruiting (card)	every 3 days; the driest month, July, has 5 rainy days

Tomato in Potenza: care after planting

Planted on 29 May: in the first weeks water every 4 days.

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

29 May — feed: balanced (NPK)
26 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 Potenza during the tomato season

Days average above the tomato card's 16–27 °C in July (27.4 °C). Months that stay below 16 °C even by day on average: November (11.6 °C). Nights average below 16 °C in every month of the season, from 4.1 °C to 14.9 °C.

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
May	17.5	7.3	83	13	14:26
June	24.2	12.3	47	8	15:04
July	27.4	14.9	29	5	14:49
August	26.8	14.9	37	7	13:49
September	21.6	11.3	54	8	12:30
October	17	7.7	60	9	11:11
November	11.6	4.1	103	14	9:57

ERA5 2016–2025, Open-Meteo

Tomato in nearby cities

All the nearest cities on our list plant tomato earlier than Potenza; the closest date is in Salerno, 8 days earlier.

City	Distance	Date	Difference
Salerno	86 km	21 May – 21 August	8 days earlier
Foggia	94 km	5 April – 30 August	54 days earlier
Bari	104 km	from 19 April	40 days earlier
Taranto	123 km	from 7 April	52 days earlier
Cosenza	154 km	13 May – 10 August	16 days earlier
Lecce	202 km	14 April – 7 August	45 days earlier

Where to buy tomato plants and seeds near Potenza

Buy plants ready to set out from 29 May to 5 August (from 8 May to 5 August for an unheated greenhouse); seed for raising your own is sown from 17 March to 14 June. Within 15 km of Potenza OpenStreetMap lists 2 garden centres, 1 market and 1 farm shop (collected 27 October 2026).

Olimpo Verde — garden centre
Via Madonna del Carmine 294 · 6 km · olimpoverde.it
CODRA — garden centre
11 km
Piazza Mercato — market
14 km
Caseificio B&M — farm shop
8 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