In a medium bowl, combine blueberries, sugar, and lemon zest and juice; set aside.
Using an electric mixer on high speed, whip heavy cream and sour cream in a large bowl until soft peaks form, about 2 minutes.
Keep on whipping, and add maple syrup in a steady stream; continue to whip until maple cream is thick and velvety, about 1 minute more.
Divide berries among serving bowls; top with maple cream.