What plant hardiness zone is Castel di Sasso

Castel di Sasso is located at Caserta, Campania, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Castel di Sasso is 9a by the USDA scale.

Coldest zone's winter temperature is −6.7 … −3.9 °C.

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

Alternative climatic zone of gardening for Castel di Sasso by UK RHS scale is H4.

Plants of H4 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H4 RHS.

Castel di Sasso @ wikipedia.

* The lowest temperature in Castel di Sasso was -4.3 °C on 27/02/2018.