What plant hardiness zone is Roudnice nad Labem

Roudnice nad Labem is located at Litoměřice, Ústí nad Labem, ústecký, Czechia.

Plant hardiness zone (winter frost zone or gardening zone) for Roudnice nad Labem 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 Roudnice nad Labem 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.

Roudnice nad Labem @ wikipedia.

* The lowest temperature in Roudnice nad Labem was -19.8 °C on 12/02/2012.