What plant hardiness zone is Orvieto

Orvieto is located at Terni, Umbria, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Orvieto 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 Orvieto 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.

Orvieto @ wikipedia.

* The lowest temperature in Orvieto was -8.5 °C on 28/02/2018.