What plant hardiness zone is Orval-sur-Sienne

Orval-sur-Sienne is located at Manche, Normandie (NOR), France.

Plant hardiness zone (winter frost zone or gardening zone) for Orval-sur-Sienne 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 Orval-sur-Sienne 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.

Orval-sur-Sienne @ wikipedia.

* The lowest temperature in Orval-sur-Sienne was -7.9 °C on 11/02/2012.