What plant hardiness zone is Deutsch-Griffen

Deutsch-Griffen is located at Sankt Veit an der Glan, Carinthia (Kärnten) (KTN), Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Deutsch-Griffen 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 Deutsch-Griffen 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.

Deutsch-Griffen @ wikipedia.

* The lowest temperature in Deutsch-Griffen was -19.9 °C on 28/02/2018.