When to plant eggplants in Mannheim: 1 June – 31 July

In Mannheim, eggplant: sow for seedlings from 12 March to 1 June; plant into a greenhouse from 11 May to 31 July; plant out into open ground from 1 June to 31 July. For plants and seeds, the places nearby include Baumschule Heinz Bachmann (plant nursery, 5 km) and Rosen Caruso (garden centre, 5 km); addresses and opening hours are below.

Eggplant in Mannheim: soil, season and weather

In Mannheim the soil, not frost, sets the date: the last frost is over around 14 April, but the top 7 cm of soil reaches 18 °C — the minimum on the eggplant card — only around 1 June, 48 days later.

Last spring frost	14 April
Top 7 cm of soil at 18 °C	1 June, 48 days after the last frost
Into an unheated greenhouse	11 May – 31 July; May outside: 9.7 °C at night, 19.9 °C by day; card 21–29 °C
First autumn frost	20 November, 172 days after the start
Days in the bed to the first harvest (card)	70
First harvest, if planted in this window	10 August – 9 October
Days left for picking	102
Daylight	12:56 on 2 April, 15:59 on 1 June
Watering outdoors when fruiting (card)	every 3 days; the driest month, August, has 11 rainy days

The same dates in Mannheim hold for Cucumber, Bell Pepper, Zucchini, Pumpkin and Watermelon.

Eggplant in Mannheim: care after planting

Planted on 1 June: in the first weeks water every 4 days.

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

1 June — feed: balanced (NPK)
29 June — feed: nitrogen

Pests and diseases of eggplant 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 Mannheim during the eggplant season

No month of the season averages above the eggplant card's 21–29 °C by day; the warmest, July, averages 26.2 °C. Months that stay below 21 °C even by day on average: October (16.1 °C) and November (9.3 °C). Nights average below 21 °C in every month of the season, from 3.6 °C to 16 °C.

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
June	25.3	14.7	69	11	16:15
July	26.2	15.8	67	10	15:53
August	26.2	16	63	11	14:28
September	21.8	12.2	69	10	12:40
October	16.1	8.4	84	13	10:51
November	9.3	3.6	73	14	9:08

ERA5 2016–2025, Open-Meteo

Eggplant in nearby cities

Around Mannheim, Karlsruhe is 2 days earlier and Stuttgart 4 days later.

City	Distance	Date	Difference
Karlsruhe	54 km	30 May – 30 July	2 days earlier
Wiesbaden	68 km	30 May – 3 August	2 days earlier
Frankfurt	71 km	4 June – 28 July	3 days later
Stuttgart	94 km	5 June – 19 July	4 days later
Saarbrücken	111 km	3 June – 29 July	2 days later
Strasbourg	115 km	1 June – 31 July	same day

Where to buy eggplant plants and seeds near Mannheim

Buy plants ready to set out from 1 June to 31 July (from 11 May to 31 July for an unheated greenhouse); seed for raising your own is sown from 12 March to 1 June. Within 15 km of Mannheim OpenStreetMap lists 30 garden centres, 3 farm-supply shops, 17 plant nurseries, 24 markets and 50 farm shops (collected 28 October 2026).

ZG Raiffeisen Markt — garden centre
Hockenheimer Landstraße 4/1, 68723 Schwetzingen · 14 km · zg-raiffeisen.de
Georg von Büren Gartenfachhandel — garden centre
Stahlbadstraße 96, 69469 Weinheim · Mon–Fri 08:00–12:00, Mon, Tue, Thu, Fri 14:00–18:00, Sat 08:00–13:00 · 15 km
Rosen Caruso — garden centre
Mannheimer Straße 158, 67071 Ludwigshafen am Rhein · 5 km · rosen-caruso.de
Baumschule Heinz Bachmann — plant nursery
Am Weidenbergel 59, Mannheim · 5 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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