What plant hardiness zone is Heiligenkreuz am Waasen

Heiligenkreuz am Waasen is located at Leibnitz, Styria (Steiermark) (STM), Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Heiligenkreuz am Waasen 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 Heiligenkreuz am Waasen 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.

Heiligenkreuz am Waasen @ wikipedia.

* The lowest temperature in Heiligenkreuz am Waasen was -21.3 °C on 08/02/2012.