When to plant zucchini in Hanover: 7 June – 4 September

In Hanover, zucchini: sow for seedlings from 26 April to 14 August; plant into a greenhouse from 17 May to 4 September; plant out into open ground from 7 June to 4 September. For plants and seeds, the places nearby include plan G Dipl.-Ing. Hans-Jörg Feye (plant nursery, 4 km) and Gärtnerei Paul Lobermeier (plant nursery, 5 km); addresses and opening hours are below.

Zucchini in Hanover: soil, season and weather

In Hanover the soil, not frost, sets the date: the last frost is over around 9 April, but the top 7 cm of soil reaches 18 °C — the minimum on the zucchini card — only around 7 June, 59 days later.

Last spring frost	9 April
Top 7 cm of soil at 18 °C	7 June, 59 days after the last frost
First autumn frost	21 November, 167 days after the start
Days in the bed to the first harvest (card)	36
First harvest, if planted in this window	13 July – 10 October
Days left for picking	131
Daylight	15:49 on 17 May, 16:38 on 7 June
Watering outdoors when fruiting (card)	every 3 days; the driest month, September, has 9 rainy days

The same dates in Hanover hold for Cucumber, Bell Pepper, Eggplant, Pumpkin and Watermelon.

Zucchini in Hanover: care after planting

Planted on 7 June: in the first weeks water every 4 days.

Pests and diseases of zucchini to watch for:

Weather in Hanover during the zucchini season

About 358 mm of rain falls in the season; September is the driest month (48 mm) and July the wettest (69 mm).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
June	23.1	13.1	67	11	16:46
July	23.5	14.2	69	12	16:21
August	24.1	14.4	54	11	14:45
September	20.4	11.4	48	9	12:44
October	15.1	8.5	65	13	10:43
November	8.9	3.7	55	13	8:48

ERA5 2016–2025, Open-Meteo

Zucchini in nearby cities

Around Hanover, Münster is 6 days earlier and Bremen 4 days later.

City	Distance	Date	Difference
Bielefeld	91 km	5 June – 1 September	2 days earlier
Bremen	101 km	11 June – 2 September	4 days later
Magdeburg	132 km	3 June – 1 September	4 days earlier
Hamburg	132 km	6 June – 2 September	1 day earlier
Münster	150 km	1 June – 4 September	6 days earlier
Erfurt	179 km	9 June – 21 August	2 days later

Where to buy zucchini plants and seeds near Hanover

Buy plants ready to set out from 7 June to 4 September (from 17 May to 4 September for an unheated greenhouse); seed for raising your own is sown from 26 April to 14 August. Within 15 km of Hanover OpenStreetMap lists 20 garden centres, 3 farm-supply shops, 7 plant nurseries, 20 markets and 30 farm shops (collected 28 October 2026).

Gärtnerei Paul Lobermeier — plant nursery
Wilhelm-Kröger-Weg 17, 30453 Hannover · 5 km · gaertnerei-paul-lobermeier.de
Lemmier Agroforst — plant nursery
Heimstraße 7, 30989 Gehrden · 12 km · pferdehof-rehren.de
plan G Dipl.-Ing. Hans-Jörg Feye — plant nursery
Im Othfelde 15, 30165 Hannover · 4 km
Baumschule und Pflanzenmarkt Isernhagen — plant nursery
Lohner Weg 40 · 15 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.

Questions