That Fern is absolutely gorgeous!
My Hostas have lots of buddies in my zone 5 garden. Astilbe, Brunnera, Ferns, Heuchera, Hardy Geranium, Cimicifuga, Goatsbeard,Soloman's Seal, Pulmonaria and annual Impatiens and Coleus.....Rhodys, a Callicarpa , Viburnums, Boxwood, Forsythia, Fothergilla, Hydrangea.....