What plant hardiness zone is Kirchberg an der Raab

Kirchberg an der Raab is located at Südoststeiermark, Styria (Steiermark) (STM), Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Kirchberg an der Raab 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 Kirchberg an der Raab 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.

Kirchberg an der Raab @ wikipedia.

* The lowest temperature in Kirchberg an der Raab was -21.2 °C on 08/02/2012.