Hardiness zone by postcode

Enter a German postcode. We show your zone, how cold the coldest day of the year gets where you are, and how much frost plants can take according to the sources.

Where is your garden?

How much frost can plants take?

Only plants for which a source gives a number. Each limit with its source; the zone is the coldest one the source lists.

All 22 plants with a frost limit

Garlic0 to 15 °F (−17.8 °C to −9.4 °C) · PNW Extension
Parsleydown to 15 °F (−9.4 °C) · PNW Extension
Brussels sproutsoften down to −10 °C · Bavarian Garden Academy (LWG)
Kaleoften down to −10 °C · Bavarian Garden Academy (LWG)
RosemaryUSDA zone 8a: down to −12.2 °C · NC State Extension
Globe artichokeRHS H5: down to −15 °C · Royal Horticultural Society
Leekdown to 5 °F (−15 °C) · PNW Extension
Parsnipdown to 5 °F (−15 °C) · PNW Extension
RhubarbRHS H5: down to −15 °C · Royal Horticultural Society
Lamb’s lettuce (corn salad)down to 0 °F (−17.8 °C) · PNW Extension
Spinachdown to 0 °F (−17.8 °C) · PNW Extension
LavenderUSDA zone 5a: down to −28.9 °C · NC State Extension
Mint (peppermint)USDA zone 5a: down to −28.9 °C · NC State Extension
StrawberryUSDA zone 5a: down to −28.9 °C · NC State Extension
ThymeUSDA zone 5a: down to −28.9 °C · NC State Extension
ChivesUSDA zone 4a: down to −34.4 °C · NC State Extension
HorseradishUSDA zone 4a: down to −34.4 °C · NC State Extension
OreganoUSDA zone 4a: down to −34.4 °C · NC State Extension
SageUSDA zone 4a: down to −34.4 °C · NC State Extension
Jerusalem artichokeUSDA zone 3a: down to −40 °C · NC State Extension
Lemon balmUSDA zone 3a: down to −40 °C · NC State Extension
AsparagusUSDA zone 2a: down to −45.6 °C · NC State Extension

Rough guides: how much frost a plant takes also depends on variety, age, site and weather, says the Bavarian Garden Academy.

Last frost date by postcodeAverage and safe date for German postcodes When to bring container plants insideDate per plant for German postcodes

Questions and answers

What hardiness zone is Germany?

Based on 1991–2020, 54% of German postcodes are in zone 7, 44% in zone 8 and 2% in zone 6. Averaged over all postcodes, the coldest day of the year reaches −12.6 °C, which is zone 7b. The Bavarian Garden Academy places most of Germany in zone 7.

What does hardiness zone 7b mean?

On average, the coldest day of the year is between −15 °C and −12.2 °C. That is how the US Department of Agriculture (USDA) divides the zones: bands of 10 °F, split into a and b.

What hardiness zone is Berlin?

Zone 7b: the coldest day of the year averaged −13.1 °C in 1991–2020 (station Berlin-Tegel).

What hardiness zone is Munich?

Zone 8a: the coldest day of the year averaged −12 °C in 1991–2020 (station München-Stadt).

Is rosemary hardy?

NC State Extension gives USDA zone 8a: down to −12.2 °C. On average it gets colder than that at 56% of German postcodes. Enter your postcode above for your area.

Is lavender hardy?

NC State Extension gives USDA zone 5a: down to −28.9 °C. On average it gets that cold at no German postcode. Enter your postcode above for your area.

How is the hardiness zone worked out?

From the coldest day of each year, averaged over 30 years. We use the daily minimum temperatures 1991–2020 from the nearest station of the German weather service, as the USDA did for its 2023 map.

Sources

Show 21 sources