What plant hardiness zone is Saint-Grégoire

Saint-Grégoire is located at Ille-et-Vilaine, Bretagne (BRE), France.

Plant hardiness zone (winter frost zone or gardening zone) for Saint-Grégoire 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-Grégoire 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-Grégoire, Ille-et-Vilaine @ wikipedia.

* The lowest temperature in Saint-Grégoire was -8.3 °C on 11/02/2012.