I bought peonies from Van Engelen, their wholesale division a few years ago and got all mislabels for my order. Although the peonies were nice looking, they were not the correct ones. If it is any consolation, they sent me close proximities to the ones that I ordered and they all turned out to be very beautiful peonies, just not correctly named. If you have no care about the names, then don't worry. You will be happy with the roots that they send you. Their bulbs supplier is excellent. Just the peony supplier is the problem. Hopefully, they get better supplier this year.
If the peonies arrive while you are away, just have your husband put the packages in a cool dark place. The roots should be fine until you return.