What plant hardiness zone is Castelvecchio Subequo

Castelvecchio Subequo is located at L'Aquila, Abruzzo (Abruzzese), Italy.

Plant hardiness zone (winter frost zone or gardening zone) for Castelvecchio Subequo 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 Castelvecchio Subequo 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.

Castelvecchio Subequo @ wikipedia.

* The lowest temperature in Castelvecchio Subequo was -6 °C on 27/02/2018.