When to plant tomatoes in Piacenza: 17 April – 11 August

In Piacenza, tomato: sow for seedlings from 3 February to 20 June; plant into a greenhouse from 27 March to 11 August; plant out into open ground from 17 April to 11 August. For plants and seeds, the places nearby include Frutta e Verdura (farm shop, 1 km) and Il Vivaio (plant nursery, 4 km); addresses and opening hours are below.

Tomato in Piacenza: soil, season and weather

In Piacenza the soil, not frost, sets the date: the last frost is over around 20 March, but the top 7 cm of soil reaches 15 °C — the minimum on the tomato card — only around 17 April, 28 days later.

Last spring frost	20 March
Top 7 cm of soil at 15 °C	17 April, 28 days after the last frost
Into an unheated greenhouse	27 March – 11 August; March outside: 3.9 °C at night, 15.1 °C by day; card 16–27 °C
First autumn frost	1 December, 228 days after the start
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	26 June – 20 October
Days left for picking	158
Daylight	10:52 on 24 February, 13:34 on 17 April
Watering outdoors when fruiting (card)	every 3 days; the driest month, July, has 9 rainy days

Tomato in Piacenza: care after planting

Planted on 17 April: in the first weeks water every 4 days.

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

17 April — feed: balanced (NPK)
15 May — 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 Piacenza during the tomato season

Days average above the tomato card's 16–27 °C in June (28.9 °C), July (31.3 °C) and August (31.2 °C). Months that stay below 16 °C even by day on average: November (12.7 °C) and December (8.1 °C). Nights average below 16 °C in April, May and September–December (1.4–15.6 °C).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
April	19.3	7.9	70	9	13:28
May	22.6	12.6	128	15	14:50
June	28.9	18	72	9	15:36
July	31.3	20.1	55	9	15:18
August	31.2	20.1	79	10	14:07
September	25.8	15.6	74	8	12:35
October	19.9	11	104	10	11:02
November	12.7	5.6	96	10	9:34
December	8.1	1.4	81	8	8:47

ERA5 2016–2025, Open-Meteo

Tomato in nearby cities

Around Piacenza, Milan is 2 days earlier and Genoa 43 days later.

City	Distance	Date	Difference
Parma	58 km	22 April – 9 August	5 days later
Milan	60 km	15 April – 10 August	2 days earlier
Brescia	68 km	23 April – 8 August	6 days later
Bergamo	72 km	11 May – 29 July	24 days later
Mantua	87 km	19 April – 8 August	2 days later
Genoa	93 km	30 May – 6 August	43 days later

Where to buy tomato plants and seeds near Piacenza

Buy plants ready to set out from 17 April to 11 August (from 27 March to 11 August for an unheated greenhouse); seed for raising your own is sown from 3 February to 20 June. Within 15 km of Piacenza OpenStreetMap lists 2 garden centres, 7 plant nurseries, 3 markets and 1 farm shop (collected 27 October 2026).

Il Vivaio — plant nursery
Via Ragazzi del 99, San Bonico · 4 km
Vivaio Maserati — plant nursery
Ponte Vangaro, 29020 Ponte Vangaro · 10 km
Frutta e Verdura — farm shop
Stradone Farnese 81c, Piacenza · 1 km
Agrar Center — garden centre
7 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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