What plant hardiness zone is Třinec

Třinec is located at Frýdek-Místek, Moravian-Silesian, moravskoslezský, Czechia.

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

Třinec @ wikipedia.

* The lowest temperature in Třinec was -20.4 °C on 03/02/2012.