Wisteria is a puzzlement: My sister lives in Orange County, NY (zone 5) and has been trying to get hers to bloom for the past few years with no success. I think she has W. floribunda or perhaps W. sinensis. Here in western CT a nearby vacant lot has been overrun by Wisteria (not sure which species), oriental bittersweet and tree-of-heaven (truly an unfair name). In that setting the only good thing I can say about the wisteria is that it is giving the bittersweet a good challenge to see which will strangle the tree-of-heaven first.
I love Akebia quinata, but be warned. Don't turn your back on it. It will likely make the CT invasives list soon. It is definitely on the IPANE* radar.
I had to use a chain saw to remove the wisteria - after it pulled the arbor away from the house, and got under the roof shingles. It still comes up from the ground - and sneaks up tree trunks and what have you so quick. Flowers? What flowers??? If I knew then, what I know now, I would have put this bully in some other location.