What plant hardiness zone is Château-Gaillard

Château-Gaillard is located at Ain, Auvergne-Rhône-Alpes (ARA), France.

Plant hardiness zone (winter frost zone or gardening zone) for Château-Gaillard is 7a by the USDA scale.

Coldest zone's winter temperature is −17.8 … −15 °C.

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

Alternative climatic zone of gardening for Château-Gaillard 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.

Château-Gaillard, Ain @ wikipedia.

* The lowest temperature in Château-Gaillard was -15.1 °C on 05/02/2012.