What plant hardiness zone is Castiglione Chiavarese

Castiglione Chiavarese is located at Genoa, Liguria, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Castiglione Chiavarese is 9a by the USDA scale.

Coldest zone's winter temperature is −6.7 … −3.9 °C.

Plants of 9a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 9a USDA.

Alternative climatic zone of gardening for Castiglione Chiavarese 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.

Castiglione Chiavarese @ wikipedia.

* The lowest temperature in Castiglione Chiavarese was -4.6 °C on 14/02/2012.