What plant hardiness zone is Neunkirch

Neunkirch is located at Oberklettgau, Schaffhausen (Schaffhouse) (SH), Switzerland.

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

Neunkirch @ wikipedia.

* The lowest temperature in Neunkirch was -19.4 °C on 04/02/2012.