When to plant tomatoes in Wiesbaden: 10 May – 3 August

In Wiesbaden, tomato: sow for seedlings from 26 February to 12 June; plant into a greenhouse from 19 April to 3 August; plant out into open ground from 10 May to 3 August. For plants and seeds, the places nearby include Gärtnerei Hanns (garden centre, 7 km) and Blumenhaus Smedla (garden centre, 11 km); addresses and opening hours are below.

Tomato in Wiesbaden: soil, season and weather

In Wiesbaden the soil, not frost, sets the date: the last frost is over around 5 April, but the top 7 cm of soil reaches 15 °C — the minimum on the tomato card — only around 10 May, 35 days later.

Last spring frost	5 April
Top 7 cm of soil at 15 °C	10 May, 35 days after the last frost
Into an unheated greenhouse	19 April – 3 August; April outside: 5.3 °C at night, 15.5 °C by day; card 16–27 °C
First autumn frost	23 November, 197 days after the start
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	19 July – 12 October
Days left for picking	127
Daylight	12:04 on 19 March, 15:09 on 10 May
Watering outdoors when fruiting (card)	every 3 days; the driest month, August, has 9 rainy days

Tomato in Wiesbaden: care after planting

Planted on 10 May: in the first weeks water every 4 days.

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

10 May — feed: balanced (NPK)
7 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 Wiesbaden during the tomato season

No month of the season averages above the tomato card's 16–27 °C by day; the warmest, August, averages 26.1 °C. Months that stay below 16 °C even by day on average: October (15.7 °C) and November (9 °C). Nights average below 16 °C in every month of the season, from 3.4 °C to 15.8 °C.

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
May	19.9	9.9	66	12	15:24
June	25.1	14.7	59	11	16:21
July	25.9	15.7	64	10	15:59
August	26.1	15.8	56	9	14:32
September	21.6	12.1	56	9	12:41
October	15.7	8	63	13	10:49
November	9	3.4	57	13	9:04

ERA5 2016–2025, Open-Meteo

Tomato in nearby cities

2 of the nearest cities share Wiesbaden's date.

City	Distance	Date	Difference
Frankfurt	32 km	11 May – 28 July	1 day later
Mannheim	68 km	10 May – 31 July	same day
Bonn	108 km	16 May – 30 July	6 days later
Karlsruhe	120 km	10 May – 30 July	same day
Saarbrücken	130 km	14 May – 29 July	4 days later
Cologne	132 km	12 May – 31 July	2 days later

Where to buy tomato plants and seeds near Wiesbaden

Buy plants ready to set out from 10 May to 3 August (from 19 April to 3 August for an unheated greenhouse); seed for raising your own is sown from 26 February to 12 June. Within 15 km of Wiesbaden OpenStreetMap lists 18 garden centres, 1 farm-supply shop, 6 plant nurseries, 17 markets and 28 farm shops (collected 28 October 2026).

Gärtnerei Hanns — garden centre
Boelckestraße 144, 55252 Wiesbaden · Mon–Fri 09:00–17:00; Sat 09:00–16:00; public holidays closed · 7 km · gaertnerei-hanns.de
Blumenhaus Smedla — garden centre
Lanzelhohl 17, 55128 Mainz · Mon–Fri 08:30–12:00, Mon, Tue, Thu, Fri 13:30–18:00, Sat 08:30–14:00 · 11 km · blumenhaus-smedla.de
Dehner — garden centre
Prof.-Karl-Bohland-Straße 4, 55262 Ingelheim am Rhein · Mon–Fri 09:00–19:00; Sat 08:30–18:00 · 12 km · dehner.de
Dehner — garden centre
Casteller Straße 97, 65719 Hofheim am Taunus · Mon–Fri 09:00–19:00; Sat 08:30–18:00 · 13 km · dehner.de

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