Potato Germans

Calque of Danish Kartoffeltyskere, in reference to the cultivation of potatoes in the areas they settled.

Potato Germans pl (plural only)

1. (historical) A group of German families who settled in the heathlands of central Jutland in Denmark during the mid-1700s.
   • 2017, Andrew DJ Shield, Immigrants in the Sexual Revolution: Perceptions and Participation in Northwest Europe, Springer, →ISBN, page 23:

     Then there were the French Huguenot tobacco farmers (early 1700s), the “Potato Germans” and paid German soldiers (late 1700s), and Moravian crafts people (late 1700s).