What plant hardiness zone is Smrk

Smrk is located at Třebíč, Vysočina, Czechia.

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

Smrk (Třebíč District) @ wikipedia.

* The lowest temperature in Smrk was -18 °C on 13/02/2012.