When to plant watermelons in Potenza: 14 June – 16 August

In Potenza, watermelon: sow for seedlings from 26 April to 19 July; plant into a greenhouse from 24 May to 16 August; plant out into open ground from 14 June to 16 August. For plants and seeds, the places nearby include Olimpo Verde (garden centre, 6 km); addresses and opening hours are below.

Watermelon 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 18 °C — the minimum on the watermelon card — only around 14 June, 60 days later.

Last spring frost	15 April
Top 7 cm of soil at 18 °C	14 June, 60 days after the last frost
Into an unheated greenhouse	24 May – 16 August; May outside: 7.3 °C at night, 17.5 °C by day; card 18–35 °C
First autumn frost	25 November, 164 days after the start
Days in the bed to the first harvest (card)	59
First harvest, if planted in this window	12 August – 14 October
Days left for picking	105
Daylight	14:29 on 17 May, 15:04 on 14 June
Watering outdoors when fruiting (card)	every 5 days; the driest month, July, has 5 rainy days

The same dates in Potenza hold for Cucumber, Bell Pepper, Eggplant, Zucchini and Pumpkin.

Watermelon in Potenza: care after planting

Planted on 14 June: in the first weeks water every 5 days.

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

14 June — 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 Potenza during the watermelon season

No month of the season averages above the watermelon card's 18–35 °C by day; the warmest, July, averages 27.4 °C. Months that stay below 18 °C even by day on average: October (17 °C) and November (11.6 °C). Nights average below 18 °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
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

Watermelon in nearby cities

All the nearest cities on our list plant watermelon earlier than Potenza; the closest date is in Salerno, 7 days earlier.

City	Distance	Date	Difference
Salerno	86 km	7 June – 1 September	7 days earlier
Foggia	94 km	23 April – 10 September	52 days earlier
Bari	104 km	from 4 May	41 days earlier
Taranto	123 km	from 25 April	50 days earlier
Cosenza	154 km	3 June – 21 August	11 days earlier
Lecce	202 km	3 May – 18 August	42 days earlier

Where to buy watermelon plants and seeds near Potenza

Buy plants ready to set out from 14 June to 16 August (from 24 May to 16 August for an unheated greenhouse); seed for raising your own is sown from 26 April to 19 July. 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.

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