What plant hardiness zone is Saint-Cassien

Saint-Cassien is located at Isère, Auvergne-Rhône-Alpes (ARA), France.

Plant hardiness zone (winter frost zone or gardening zone) for Saint-Cassien is 7b by the USDA scale.

Coldest zone's winter temperature is −15 … −12.2 °C.

Plants of 7b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7b USDA.

Alternative climatic zone of gardening for Saint-Cassien by UK RHS scale is H5.

Plants of H5 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H5 RHS.

Saint-Cassien, Isère @ wikipedia.

* The lowest temperature in Saint-Cassien was -14.9 °C on 05/02/2012.