What plant hardiness zone is Langen bei Bregenz

Langen bei Bregenz is located at Bregenz, Vorarlberg (VBG), Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Langen bei Bregenz is 6b by the USDA scale.

Coldest zone's winter temperature is −20.6 … −17.8 °C.

Plants of 6b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6b USDA.

Alternative climatic zone of gardening for Langen bei Bregenz by UK RHS scale is H6.

Plants of H6 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H6 RHS.

Langen bei Bregenz @ wikipedia.

* The lowest temperature in Langen bei Bregenz was -19.8 °C on 04/02/2012.