What plant hardiness zone is Freienstein-Teufen

Freienstein-Teufen is located at Bülach, Zürich (Zurich) (ZH), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Freienstein-Teufen 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 Freienstein-Teufen 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.

Freienstein-Teufen @ wikipedia.

* The lowest temperature in Freienstein-Teufen was -19.5 °C on 04/02/2012.