What plant hardiness zone is La Roche-sur-Foron

La Roche-sur-Foron is located at Haute-Savoie, Auvergne-Rhône-Alpes (ARA), France.

Plant hardiness zone (winter frost zone or gardening zone) for La Roche-sur-Foron is 6b by the USDA scale.

Coldest zone's winter temperature is −20.6 … −17.8 °C.

Plants of 6b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6b USDA.

Alternative climatic zone of gardening for La Roche-sur-Foron by UK RHS scale is H6.

Plants of H6 RHS hardiness zone suitable for outdoor gardening and growing in this winter frost zone H6 RHS.

La Roche-sur-Foron @ wikipedia.

* The lowest temperature in La Roche-sur-Foron was -19.9 °C on 05/02/2012.