What plant hardiness zone is Irdning-Donnersbachtal

Irdning-Donnersbachtal is located at Liezen, Styria (Steiermark) (STM), Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Irdning-Donnersbachtal 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 Irdning-Donnersbachtal 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.

Irdning-Donnersbachtal @ wikipedia.

* The lowest temperature in Irdning-Donnersbachtal was -20.1 °C on 28/02/2018.