What plant hardiness zone is Diano Castello

Diano Castello is located at Imperia, Liguria, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Diano Castello 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 Diano Castello 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.

Diano Castello @ wikipedia.

* The lowest temperature in Diano Castello was -1.3 °C on 11/02/2012.