What plant hardiness zone is Casale Marittimo

Casale Marittimo is located at Pisa, Tuscany (Toscana), Italy.

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

Casale Marittimo @ wikipedia.

* The lowest temperature in Casale Marittimo was -6.5 °C on 28/02/2018.