What plant hardiness zone is Oberegg

Oberegg is located at Oberegg, Appenzell Innerrhoden (Inner-Rhodes) (AI), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Oberegg 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 Oberegg 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.

Oberegg District @ wikipedia.

* The lowest temperature in Oberegg was -20.7 °C on 06/02/2012.