so many things can cause dogs to itch that it's almost impossible to narrow down sometimes. Two of mine are allergic to any type of fish or poultry.
It could be weeds, especially since you have moved. It could be a type of carpet if you have any in your new place. Sometimes groomers don't take the time to completely rinse out the shampoo and it's a major source of dry skin problems.
Just go down the list, and maybe keep her off grass (which could have chiggars)
Can I Treat My Dog For Chiggars With Over The Counter Medicine Or Home Remedies, If So What Can I Use? and carpet, go back to feeding her regular food if you have changed that, shampoo her at home and use a diluted down shampoo and rinse extremely well.