What plant hardiness zone is Petit-Val

Petit-Val is located at Jura bernois, Bern (Berne) (BE), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Petit-Val 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 Petit-Val 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.

Petit-Val @ wikipedia.

* The lowest temperature in Petit-Val was -20.2 °C on 05/02/2012.