What plant hardiness zone is Saint-Cast-le-Guildo

Saint-Cast-le-Guildo is located at Côtes-d'Armor, Bretagne (BRE), France.

Plant hardiness zone (winter frost zone or gardening zone) for Saint-Cast-le-Guildo 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-Cast-le-Guildo 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-Cast-le-Guildo @ wikipedia.

* The lowest temperature in Saint-Cast-le-Guildo was -7.7 °C on 11/02/2012.