What plant hardiness zone is Hauenstein-Ifenthal

Hauenstein-Ifenthal is located at Gösgen, Solothurn (Soleure) (SO), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Hauenstein-Ifenthal 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 Hauenstein-Ifenthal 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.

Hauenstein-Ifenthal @ wikipedia.

* The lowest temperature in Hauenstein-Ifenthal was -19.7 °C on 04/02/2012.