What plant hardiness zone is Guidonia Montecelio

Guidonia Montecelio is located at Rome, Lazio, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Guidonia Montecelio is 8b by the USDA scale.

Coldest zone's winter temperature is −9.4 … −6.7 °C.

Plants of 8b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8b USDA.

Alternative climatic zone of gardening for Guidonia Montecelio 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.

Guidonia Montecelio @ wikipedia.

* The lowest temperature in Guidonia Montecelio was -7 °C on 28/02/2018.