What plant hardiness zone is District 6 (Zürich)

District 6 (Zürich) is located at Zürich, Zürich (Zurich) (ZH), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for District 6 (Zürich) 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 District 6 (Zürich) 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.

District 6 (Zürich) @ wikipedia.

* The lowest temperature in District 6 (Zürich) was -18.8 °C on 04/02/2012.