What plant hardiness zone is Saas-Fee

Saas-Fee is located at Visp, Valais (Wallis) (VS), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Saas-Fee is 5b by the USDA scale.

Coldest zone's winter temperature is −26.1 … −23.3 °C.

Plants of 5b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 5b USDA.

Alternative climatic zone of gardening for Saas-Fee by UK RHS scale is H7.

Plants of H7 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H7 RHS.

Saas-Fee @ wikipedia.

* The lowest temperature in Saas-Fee was -24.3 °C on 27/02/2018.