What plant hardiness zone is Porto Torres

Porto Torres is located at Sassari, Sardinia (Sardegna), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Porto Torres is 9b by the USDA scale.

Coldest zone's winter temperature is −3.9 … −1.1 °C.

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

Alternative climatic zone of gardening for Porto Torres by UK RHS scale is H3.

Plants of H3 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H3 RHS.

Porto Torres @ wikipedia.

* The lowest temperature in Porto Torres was -3.7 °C on 15/02/2012.