What plant hardiness zone is Castel del Piano

Castel del Piano is located at Grosseto, Tuscany (Toscana), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Castel del Piano 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 Castel del Piano 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 del Piano @ wikipedia.

* The lowest temperature in Castel del Piano was -9.1 °C on 28/02/2018.