What plant hardiness zone is Groß Sankt Florian

Groß Sankt Florian is located at Deutschlandsberg, Styria (Steiermark) (STM), Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Groß Sankt Florian 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 Groß Sankt Florian 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.

Groß Sankt Florian @ wikipedia.

* The lowest temperature in Groß Sankt Florian was -20.3 °C on 08/02/2012.