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When to bring bougainvillea inside

Enter a German postcode. We show when bougainvillea should come inside: from the cold limit in expert sources and the night-time lows where you are.

Where are your pots?

Average for Germany

Bring in by

6 September

In 9 out of 10 years it did not get colder than 5 °C (41 °F) before this. On average from 22 September.

Based on past records, not a forecast · Data: Deutscher Wetterdienst (CC BY 4.0)

Data: Deutscher Wetterdienst, daily minimum temperatures 1991–2020, own calculation. Licence CC BY 4.0. Postcode coordinates: GeoNames (CC BY 4.0).

How much cold can bougainvillea take?

Bring in before it gets colder than 5 °C (41 °F). (Natur im Garten, Austria)

Other sources say

We use the most cautious figure from the expert sources.

Winter quarters

Bright, 10–15 °C (50–59 °F) (Rhineland-Palatinate Garden Academy)

Any cooler and it drops its leaves.

Back outside

We don’t have a sourced value for this yet.

Questions and answers

When should bougainvillea come inside?

Natur im Garten, Austria: bring in before it gets colder than 5 °C (41 °F). On average for Germany it gets that cold from 22 September, and not before 6 September in 9 out of 10 years.

How much cold can bougainvillea take?

Natur im Garten, Austria: bring in before it gets colder than 5 °C (41 °F). Other sources say: Bavarian Garden Academy: before the first frost; Rhineland-Palatinate Garden Academy: before the first frost.

How do you overwinter bougainvillea?

Bright, 10–15 °C (50–59 °F) (Rhineland-Palatinate Garden Academy).

More container plants

All container plants

Related

Last frost date by postcodeAverage and safe date for German postcodesHardiness zone by postcodeHow cold it gets where you are, and what copesWinter vegetables and frost hardy plantsWhat stays in the bed over winter and copes with frost

Sources

Show 8 sources
  1. „Natur im Garten“ (im Auftrag des Landes Niederösterreich): Überwinterungsquartier Kübelpflanzen (Infoblatt)
  2. Bayerische Gartenakademie (LWG), Gartencast: Wann müssen Kübelpflanzen ins Winterquartier?
  3. Gartenakademie Rheinland-Pfalz (DLR): Kübelpflanzen überwintern
  4. RHS Find a plant: Bougainvillea glabra (H1c)
  5. Gartenakademie Rheinland-Pfalz (DLR): Richtig überwintern – Die beliebtesten Kübelpflanzen
  6. Deutscher Wetterdienst, Climate Data Center: Tageswerte (Klima) der Stationen, historisch
  7. Deutscher Wetterdienst: Vorgaben für die Gestaltung des DWD-Quellenvermerks
  8. GeoNames: Postal Code Dataset (DE.zip)

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