What plant hardiness zone is Trooz

Trooz is located at Liège (Luik), Wallonia, Wallonië, Belgium.

Plant hardiness zone (winter frost zone or gardening zone) for Trooz 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 Trooz 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.

Trooz @ wikipedia.

* The lowest temperature in Trooz was -18.1 °C on 07/02/2012.