What plant hardiness zone is Sala Monferrato

Sala Monferrato is located at Alessandria, Piedmont (Piemonte), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Sala Monferrato 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 Sala Monferrato 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.

Sala Monferrato @ wikipedia.

* The lowest temperature in Sala Monferrato was -17.9 °C on 06/02/2012.