What plant hardiness zone is Casaleggio Boiro

Casaleggio Boiro is located at Alessandria, Piedmont (Piemonte), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Casaleggio Boiro 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 Casaleggio Boiro 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.

Casaleggio Boiro @ wikipedia.

* The lowest temperature in Casaleggio Boiro was -8.5 °C on 06/02/2012.