What plant hardiness zone is Balm bei Günsberg

Balm bei Günsberg is located at Lebern, Solothurn (Soleure) (SO), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Balm bei Günsberg 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 Balm bei Günsberg 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.

Balm bei Günsberg @ wikipedia.

* The lowest temperature in Balm bei Günsberg was -20.1 °C on 05/02/2012.