What plant hardiness zone is Hamm am Rhein

Hamm am Rhein is located at Alzey-Worms, Rhineland-Palatinate (RP), Germany.

Plant hardiness zone (winter frost zone or gardening zone) for Hamm am Rhein 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 Hamm am Rhein 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.

Hamm am Rhein @ wikipedia.

* The lowest temperature in Hamm am Rhein was -18.2 °C on 07/02/2012.