What plant hardiness zone is Castel San Giorgio

Castel San Giorgio is located at Salerno, Campania, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Castel San Giorgio 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 Castel San Giorgio 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.

Castel San Giorgio @ wikipedia.

* The lowest temperature in Castel San Giorgio was -2.6 °C on 27/02/2018.