What plant hardiness zone is Hartberg Umgebung

Hartberg Umgebung is located at Hartberg-Fürstenfeld, Styria (Steiermark) (STM), Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Hartberg Umgebung 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 Hartberg Umgebung 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.

Hartberg Umgebung @ wikipedia.

* The lowest temperature in Hartberg Umgebung was -18.4 °C on 01/03/2018.