My garden was destroyed by a hail storm. Would my onions and potatoes still grow?
I'm so sorry your garden suffered such hail damage. I also am in MN, but in the southern part of the state.
There have been some terrible storms this past month.
The damage does look quite extensive. You can trim away any broken or bent stems. Then you can began to access the plants.
If you still have leaves intact and the roots are fine, your plants can recover.
Apply a balanced fertilizer to the garden. This can help new leaves grow.
Here is an article with some tips.
Then you are in a wait and see phase.