What plant hardiness zone is Genzano di Roma

Genzano di Roma is located at Rome, Lazio, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Genzano di Roma 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 Genzano di Roma 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.

Genzano di Roma @ wikipedia.

* The lowest temperature in Genzano di Roma was -4.7 °C on 28/02/2018.