What plant hardiness zone is Les Planchettes

Les Planchettes is located at La Chaux-de-Fonds, Neuchâtel (NE), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Les Planchettes 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 Les Planchettes 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.

Les Planchettes @ wikipedia.

* The lowest temperature in Les Planchettes was -19.4 °C on 05/02/2012.