When to plant tomatoes in Bremen: 17 May – 30 July

In Bremen, tomato: sow for seedlings from 5 March to 8 June; plant into a greenhouse from 26 April to 30 July; plant out into open ground from 17 May to 30 July. For plants and seeds, the places nearby include Otto G. Balder eK (garden centre, 1 km) and Gärtnerei Suhrfelde (garden centre, 4 km); addresses and opening hours are below.

Tomato in Bremen: soil, season and weather

In Bremen the soil, not frost, sets the date: the last frost is over around 7 April, but the top 7 cm of soil reaches 15 °C — the minimum on the tomato card — only around 17 May, 40 days later.

Last spring frost	7 April
Top 7 cm of soil at 15 °C	17 May, 40 days after the last frost
Into an unheated greenhouse	26 April – 30 July; April outside: 4.3 °C at night, 13.7 °C by day; card 16–27 °C
First autumn frost	19 November, 186 days after the start
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	26 July – 8 October
Days left for picking	116
Daylight	12:34 on 26 March, 15:55 on 17 May
Watering outdoors when fruiting (card)	every 3 days; the driest month, May, has 11 rainy days

Tomato in Bremen: care after planting

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

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

17 May — feed: balanced (NPK)
14 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 Bremen during the tomato season

No month of the season averages above the tomato card's 16–27 °C by day; the warmest, August, averages 23.4 °C. Months that stay below 16 °C even by day on average: October (14.9 °C) and November (8.9 °C). Nights average below 16 °C in every month of the season, from 3.9 °C to 14.1 °C.

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
May	18.2	8.5	51	11	15:49
June	22.3	12.6	80	12	16:55
July	22.8	13.9	78	14	16:28
August	23.4	14.1	58	11	14:49
September	19.9	11.5	54	10	12:45
October	14.9	8.6	76	14	10:41
November	8.9	3.9	60	14	8:42

ERA5 2016–2025, Open-Meteo

Tomato in nearby cities

Around Bremen, Münster is 6 days earlier and Kiel 12 days later.

City	Distance	Date	Difference
Hamburg	95 km	14 May – 30 July	3 days earlier
Hanover	101 km	15 May – 1 August	2 days earlier
Bielefeld	119 km	13 May – 29 July	4 days earlier
Münster	148 km	11 May – 1 August	6 days earlier
Kiel	164 km	29 May – 31 July	12 days later
Dortmund	197 km	16 May – 27 July	1 day earlier

Where to buy tomato plants and seeds near Bremen

Buy plants ready to set out from 17 May to 30 July (from 26 April to 30 July for an unheated greenhouse); seed for raising your own is sown from 5 March to 8 June. Within 15 km of Bremen OpenStreetMap lists 37 garden centres, 2 farm-supply shops, 1 plant nursery, 28 markets and 21 farm shops (collected 28 October 2026).

Gärtnerei Suhrfelde — garden centre
Im Suhrfelde 5, 28207 Bremen · Mon–Thu 08:00–16:00; Fri 08:00–14:00 · 4 km · werkstatt-bremen.de
Bellandris Arkenau — garden centre
Niedersachsendamm 16, 27751 Delmenhorst · Mon–Fri 09:00–18:30; Sat 09:00–18:00; Sun 14:00–17:00 · 11 km · bellandris-arkenau.de
Otto G. Balder eK — garden centre
Wachtstraße 22, 28195 Bremen · Mon–Fri 09:30–18:00; Sat 10:00–16:00 · 1 km · balder-bremen.de
Rosen Flügger — garden centre
Uhlenbroker Weg 147, 27751 Delmenhorst · Mon–Sat 10:00–13:00 · 6 km · rosen-fluegger.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.

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