What plant hardiness zone is Pont-Saint-Martin

Pont-Saint-Martin is located at Aosta Valley (Valle d'Aosta), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Pont-Saint-Martin 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 Pont-Saint-Martin 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.

Pont-Saint-Martin, Aosta Valley @ wikipedia.

* The lowest temperature in Pont-Saint-Martin was -19.3 °C on 27/02/2018.