What plant hardiness zone is Affoltern am Albis

Affoltern am Albis is located at Affoltern, Zürich (Zurich) (ZH), Switzerland.

Plant hardiness zone (winter frost zone or gardening zone) for Affoltern am Albis 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 Affoltern am Albis 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.

Affoltern am Albis @ wikipedia.

* The lowest temperature in Affoltern am Albis was -19.1 °C on 04/02/2012.