What plant hardiness zone is Rocca Santo Stefano

Rocca Santo Stefano is located at Rome, Lazio, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Rocca Santo Stefano 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 Rocca Santo Stefano 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 Santo Stefano @ wikipedia.

* The lowest temperature in Rocca Santo Stefano was -8.8 °C on 27/02/2018.