Good deal, got rid of the Barberry. Maybe time to go with things like Saskatoons, Aronia, and Raspberry! (Maybe a drift of Sambucus Nigra Canadensis Too!)
Things that tolerate -30F winters and produce fruit!
Sea Berry!
https://www.jungseed.com/category/671
Nanking Bush Cherry!
https://www.jungseed.com/category/639
Cornelian Cherry!
https://www.jungseed.com/category/1295
Jostaberry!
https://www.jungseed.com/product/J30255/653