What plant hardiness zone is Boulogne-la-Grasse

Boulogne-la-Grasse is located at Oise, Hauts-de-France (HDF), France.

Plant hardiness zone (winter frost zone or gardening zone) for Boulogne-la-Grasse 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 Boulogne-la-Grasse 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.

Boulogne-la-Grasse @ wikipedia.

* The lowest temperature in Boulogne-la-Grasse was -11.9 °C on 12/02/2012.