What plant hardiness zone is Sons-et-Ronchères

Sons-et-Ronchères is located at Aisne, Hauts-de-France (HDF), France.

Plant hardiness zone (winter frost zone or gardening zone) for Sons-et-Ronchères is 7b by the USDA scale.

Coldest zone's winter temperature is −15 … −12.2 °C.

Plants of 7b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7b USDA.

Alternative climatic zone of gardening for Sons-et-Ronchères 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.

Sons-et-Ronchères @ wikipedia.

* The lowest temperature in Sons-et-Ronchères was -12.6 °C on 04/02/2012.