Preheat oven to 425 degrees. Line baking sheet with parchment paper. Set aside.
Mix flour, brown sugar, baking powder, cinnamon, nutmeg, ginger, orange zest, and salt in a large bowl. Set aside.
Whisk the carrot, cream, and egg together in a medium bowl until combined. Set aside.
Add the butter into the large bowl and work it into the mixture until it becomes coarse. Quickly add the carrot mixture and fold until the dough comes together.
Turn the dough out onto a lightly floured surface and pat into a 6-inch round wheel. Cut into wedges.
Place scones on baking sheet. Use a pastry brush to brush additional heavy cream on the top of each scone.
Bake for 15 minutes or until the tops are golden brown. Transfer to wire rack to cool.