What plant hardiness zone is Clos du Doubs

Clos du Doubs is located at Porrentruy, Jura (JU), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Clos du Doubs 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 Clos du Doubs 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.

Clos du Doubs @ wikipedia.

* The lowest temperature in Clos du Doubs was -20.1 °C on 05/02/2012.