What plant hardiness zone is Cisterna di Latina

Cisterna di Latina is located at Latina, Lazio, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Cisterna di Latina is 9b by the USDA scale.

Coldest zone's winter temperature is −3.9 … −1.1 °C.

Plants of 9b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 9b USDA.

Alternative climatic zone of gardening for Cisterna di Latina by UK RHS scale is H3.

Plants of H3 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H3 RHS.

Cisterna di Latina @ wikipedia.

* The lowest temperature in Cisterna di Latina was -3.3 °C on 28/02/2018.