What plant hardiness zone is Sankt Peter im Sulmtal

Sankt Peter im Sulmtal is located at Deutschlandsberg, Styria (Steiermark) (STM), Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Sankt Peter im Sulmtal 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 Sankt Peter im Sulmtal 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.

Sankt Peter im Sulmtal @ wikipedia.

* The lowest temperature in Sankt Peter im Sulmtal was -20.2 °C on 08/02/2012.