What plant hardiness zone is Collex-Bossy

Collex-Bossy is located at Genève (Geneva) (GE), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Collex-Bossy 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 Collex-Bossy 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.

Collex-Bossy @ wikipedia.

* The lowest temperature in Collex-Bossy was -11.2 °C on 05/02/2012.