What plant hardiness zone is Rocca di Papa

Rocca di Papa is located at Rome, Lazio, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Rocca di Papa 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 Rocca di Papa 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.

Rocca di Papa @ wikipedia.

* The lowest temperature in Rocca di Papa was -5.3 °C on 28/02/2018.