What plant hardiness zone is Casalnuovo di Napoli

Casalnuovo di Napoli is located at Naples, Campania, Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Casalnuovo di Napoli 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 Casalnuovo di Napoli 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.

Casalnuovo di Napoli @ wikipedia.

* The lowest temperature in Casalnuovo di Napoli was -2.9 °C on 16/02/2021.