What plant hardiness zone is Saint-Martin

Saint-Martin is located at Veveyse, Freiburg (Fribourg) (FR), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Saint-Martin 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 Saint-Martin 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.

Saint-Martin, Fribourg @ wikipedia.

* The lowest temperature in Saint-Martin was -19.8 °C on 05/02/2012.