What plant hardiness zone is Île-de-Bréhat

Île-de-Bréhat is located at Côtes-d'Armor, Bretagne (BRE), France.

Plant hardiness zone (winter frost zone or gardening zone) for Île-de-Bréhat 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 Île-de-Bréhat 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.

Île-de-Bréhat @ wikipedia.

* The lowest temperature in Île-de-Bréhat was -6.2 °C on 28/02/2018.