First since you're going to re-landscape, find you a sheltered side of your home away from wind. Most of your bad wind will be from the NNW. It would be nice if it got some sun also or a southern exposure. Like mentioned hire someone to dig a trench close to the house and as deep as possible--you're going to have to get that root ball covered and mulch way up on the trunk of those plants. Don't mulch the bottom as this will let cold air around the roots.
I know how cold and bitter the Ohio weather as I had an aunt in Cleveland. The wind will burn these tender "Hot House" specimen plants. After "Hilling In", wrap them with some frost cloth to protect them further from the wind.
But DO NOT Garage them and give them a little water on a warm day (If you ever have them) I still wrap my Japanese Maples to protect them from wind in TN. You'll be fine.
We all are merely gleaners from the masters who were here before us.