What plant hardiness zone is Saint-Galmier

Saint-Galmier is located at Loire, Auvergne-Rhône-Alpes (ARA), France.

Plant hardiness zone (winter frost zone or gardening zone) for Saint-Galmier 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-Galmier 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-Galmier @ wikipedia.

* The lowest temperature in Saint-Galmier was -18 °C on 05/02/2012.