What plant hardiness zone is Madonna del Sasso

Madonna del Sasso is located at Verbano-Cusio-Ossola, Piedmont (Piemonte), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Madonna del Sasso is 6b by the USDA scale.

Coldest zone's winter temperature is −20.6 … −17.8 °C.

Plants of 6b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6b USDA.

Alternative climatic zone of gardening for Madonna del Sasso by UK RHS scale is H6.

Plants of H6 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H6 RHS.

Madonna del Sasso, Piedmont @ wikipedia.

* The lowest temperature in Madonna del Sasso was -19.7 °C on 06/02/2012.