What plant hardiness zone is Straning-Grafenberg

Straning-Grafenberg is located at Horn, Lower Austria (Niederösterreich), NÖ, Austria.

Plant hardiness zone (winter frost zone or gardening zone) for Straning-Grafenberg 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 Straning-Grafenberg 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.

Straning-Grafenberg @ wikipedia.

* The lowest temperature in Straning-Grafenberg was -18.1 °C on 12/02/2012.