What plant hardiness zone is Saint-Jouan-de-l'Isle

Saint-Jouan-de-l'Isle is located at Côtes-d'Armor, Bretagne (BRE), France.

Plant hardiness zone (winter frost zone or gardening zone) for Saint-Jouan-de-l'Isle 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 Saint-Jouan-de-l'Isle 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.

Saint-Jouan-de-l'Isle @ wikipedia.

* The lowest temperature in Saint-Jouan-de-l'Isle was -7.7 °C on 11/02/2012.