What plant hardiness zone is Marl

Marl is located at Diepholz, Lower Saxony (NI), Germany.

Plant hardiness zone (winter frost zone or gardening zone) for Marl is 7a by the USDA scale.

Coldest zone's winter temperature is −17.8 … −15 °C.

Plants of 7a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7a USDA.

Alternative climatic zone of gardening for Marl 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.

Marl, Lower Saxony @ wikipedia.

* The lowest temperature in Marl was -16.3 °C on 07/02/2012.