Last and first frost dates in Hanover

When is the last frost in Hanover?

The last frost in Hanover usually comes around 9 April: that is the median of 2016–2025, so in about half of those years the last night at or below 0 °C came later. Hardy crops start before it and frost-tender ones only after it: in the table below arugula can go into open ground from 19 March, while corn waits until 1 May. The first autumn frost follows around 21 November, about 226 days later: harvest or cover frost-tender crops before then.

When to sow and plant

Planting out: a week after the last frost once the soil is warm enough for the crop; frost-hardy crops three weeks before it; an unheated greenhouse three weeks earlier. Seedlings are sown so they are ready on that day. 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.

When the soil warms up in Hanover

The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo). The soil reaches 10 °C 3 days after the last spring frost and 15 °C 36 days after it.

Frost dates near Hanover

Of the nearest cities on our list, the last spring frost ends earliest in Bremen (7 April) and latest in Göttingen (27 April).

Seeds, seedlings and markets in Hanover

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). The nearest garden centre to the city centre is Naturgarten-Hannover, 2 km away.

• Naturgarten-Hannover — garden centre
  Zur Bettfedernfabrik 1, 30451 Hannover · 2 km · naturgarten-hannover.de
• Weiterer Landhandel GmbH — farm supply
  Hermann-Löns-Straße 27, 30952 Ronnenberg · 8 km
• plan G Dipl.-Ing. Hans-Jörg Feye — plant nursery
  Im Othfelde 15, 30165 Hannover · 4 km
• Bauernmarkt an der Marktkirche — market
  Thu 14:00–18:00 · 0 km · hannover.de
• Hoftalente — farm shop
  Seelhorststraße 12, 30175 Hannover · Mon–Fri 10:00–18:00; Sat, Sun 10:00–14:00 · 2 km · hoftalente.de
• Blumen Hoffmann GBR — garden centre
  Grambartstraße 4, 30165 Hannover · 4 km

• Where to buy seeds and seedlings in Hanover
• Selling your own harvest in Germany

Places: © OpenStreetMap contributors, ODbL.

Weather in Hanover by month

Average weather in Hanover over 2016–2025: the warmest month is August. Months that average 20 °C or more by day: June–September (20.4–24.1 °C). No month averages below 0 °C at night; the coldest nights, in January, average 0.4 °C. About 685 mm of rain falls in a year, on 140 days; July is the wettest month (69 mm) and April the driest (40 mm).

Average of the daily highs and lows, rain per month and days with at least 1 mm (ERA5 via Open-Meteo, the same grid cell as the frost dates).

Planted in autumn

From a month before the first autumn frost, so the roots grow before winter, to the late-planting limit on each crop’s page (about two weeks before the ground freezes, by ten years of weather).