What plant hardiness zone is Sarre

Sarre is located at Aosta Valley (Valle d'Aosta), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Sarre is 6b by the USDA scale.

Coldest zone's winter temperature is −20.6 … −17.8 °C.

Plants of 6b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6b USDA.

Alternative climatic zone of gardening for Sarre by UK RHS scale is H6.

Plants of H6 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H6 RHS.

Sarre, Aosta Valley @ wikipedia.

* The lowest temperature in Sarre was -18.1 °C on 27/02/2018.