What plant hardiness zone is Les Portes-en-Ré

Les Portes-en-Ré is located at Charente-Maritime, Nouvelle-Aquitaine (NAQ), France.

Plant hardiness zone (winter frost zone or gardening zone) for Les Portes-en-Ré is 8b by the USDA scale.

Coldest zone's winter temperature is −9.4 … −6.7 °C.

Plants of 8b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8b USDA.

Alternative climatic zone of gardening for Les Portes-en-Ré by UK RHS scale is H4.

Plants of H4 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H4 RHS.

Les Portes-en-Ré @ wikipedia.

* The lowest temperature in Les Portes-en-Ré was -7.6 °C on 09/02/2012.