What plant hardiness zone is Ried bei Kerzers

Ried bei Kerzers is located at See (Lac), Freiburg (Fribourg) (FR), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Ried bei Kerzers is 6a by the USDA scale.

Coldest zone's winter temperature is −23.3 … −20.6 °C.

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

Alternative climatic zone of gardening for Ried bei Kerzers 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.

Ried bei Kerzers @ wikipedia.

* The lowest temperature in Ried bei Kerzers was -21 °C on 05/02/2012.