What plant hardiness zone is Sankt Peter-Freienstein

Sankt Peter-Freienstein is located at Leoben, Styria (Steiermark) (STM), Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Sankt Peter-Freienstein 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 Sankt Peter-Freienstein 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.

Sankt Peter-Freienstein @ wikipedia.

* The lowest temperature in Sankt Peter-Freienstein was -21.4 °C on 08/02/2012.