What plant hardiness zone is Isola del Giglio

Isola del Giglio is located at Grosseto, Tuscany (Toscana), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Isola del Giglio 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 Isola del Giglio 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.

Isola del Giglio @ wikipedia.

* The lowest temperature in Isola del Giglio was -5.7 °C on 28/02/2018.