What plant hardiness zone is Porto Azzurro

Porto Azzurro is located at Livorno, Tuscany (Toscana), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Porto Azzurro 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 Porto Azzurro 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.

Porto Azzurro @ wikipedia.

* The lowest temperature in Porto Azzurro was -5.2 °C on 28/02/2018.