What plant hardiness zone is Castiglione di Sicilia

Castiglione di Sicilia is located at Catania, Sicily (Sicilia), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Castiglione di Sicilia 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 Castiglione di Sicilia 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.

Castiglione di Sicilia @ wikipedia.

* The lowest temperature in Castiglione di Sicilia was -2.1 °C on 26/01/2022.