What plant hardiness zone is Castel Rocchero

Castel Rocchero is located at Asti, Piedmont (Piemonte), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Castel Rocchero is 7b by the USDA scale.

Coldest zone's winter temperature is −15 … −12.2 °C.

Plants of 7b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7b USDA.

Alternative climatic zone of gardening for Castel Rocchero by UK RHS scale is H5.

Plants of H5 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H5 RHS.

Castel Rocchero @ wikipedia.

* The lowest temperature in Castel Rocchero was -12.5 °C on 06/02/2012.