What plant hardiness zone is Mesnil-Roc'h

Mesnil-Roc'h is located at Ille-et-Vilaine, Bretagne (BRE), France.

Plant hardiness zone (winter frost zone or gardening zone) for Mesnil-Roc'h 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 Mesnil-Roc'h 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.

Mesnil-Roc'h @ wikipedia.

* The lowest temperature in Mesnil-Roc'h was -7.8 °C on 11/02/2012.