What plant hardiness zone is Castiglione del Lago

Castiglione del Lago is located at Perugia, Umbria, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Castiglione del Lago is 8b by the USDA scale.

Coldest zone's winter temperature is −9.4 … −6.7 °C.

Plants of 8b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8b USDA.

Alternative climatic zone of gardening for Castiglione del Lago 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.

Castiglione del Lago @ wikipedia.

* The lowest temperature in Castiglione del Lago was -9.3 °C on 28/02/2018.