What plant hardiness zone is Sankt Martin

Sankt Martin is located at Gmünd, Lower Austria (Niederösterreich), NÖ, Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Sankt Martin 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 Sankt Martin 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.

Sankt Martin, Lower Austria @ wikipedia.

* The lowest temperature in Sankt Martin was -18.4 °C on 12/02/2012.