Help with winterizing potted hydrangeas in zone 4!
I am a first time gardener with almost no yard! so many of my plants are in large pots. I have 3 everblooming hydrangeas in 5 gallon pots right now on my deck. But now, as I think more and more of the upcoming winter, I know I have to bring them inside or do something because the roots could freeze! Do I bring them into my unheated garage or basement? Do I cover them? Do i water them while they're dormant? HELP!