What plant hardiness zone is Pernes-lès-Boulogne

Pernes-lès-Boulogne is located at Pas-de-Calais, Hauts-de-France (HDF), France.

Plant hardiness zone (winter frost zone or gardening zone) for Pernes-lès-Boulogne is 8a by the USDA scale.

Coldest zone's winter temperature is −12.2 … −9.4 °C.

Plants of 8a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8a USDA.

Alternative climatic zone of gardening for Pernes-lès-Boulogne by UK RHS scale is H5.

Plants of H5 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H5 RHS.

Pernes-lès-Boulogne @ wikipedia.

* The lowest temperature in Pernes-lès-Boulogne was -11.1 °C on 04/02/2012.