What plant hardiness zone is Saint-Coulomb

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

Plant hardiness zone (winter frost zone or gardening zone) for Saint-Coulomb is 9a by the USDA scale.

Coldest zone's winter temperature is −6.7 … −3.9 °C.

Plants of 9a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 9a USDA.

Alternative climatic zone of gardening for Saint-Coulomb 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-Coulomb @ wikipedia.

* The lowest temperature in Saint-Coulomb was -6.5 °C on 11/02/2012.