What plant hardiness zone is Casale Litta

Casale Litta is located at Varese, Lombardy (Lombardia), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Casale Litta 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 Casale Litta 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.

Casale Litta @ wikipedia.

* The lowest temperature in Casale Litta was -18.2 °C on 06/02/2012.