What plant hardiness zone is Hirschegg-Pack

Hirschegg-Pack is located at Voitsberg, Styria (Steiermark) (STM), Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Hirschegg-Pack 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 Hirschegg-Pack 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.

Hirschegg-Pack @ wikipedia.

* The lowest temperature in Hirschegg-Pack was -19.9 °C on 26/02/2018.