What plant hardiness zone is Monte Argentario

Monte Argentario is located at Grosseto, Tuscany (Toscana), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Monte Argentario 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 Monte Argentario 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.

Monte Argentario @ wikipedia.

* The lowest temperature in Monte Argentario was -6 °C on 28/02/2018.