What plant hardiness zone is Somma Vesuviana

Somma Vesuviana is located at Naples, Campania, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Somma Vesuviana 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 Somma Vesuviana 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.

Somma Vesuviana @ wikipedia.

* The lowest temperature in Somma Vesuviana was -1.7 °C on 27/02/2018.