Did you overwinter this inside Evan ?

In the basement under fluorescent lights. By years end It will be too tall for that and I'll have to let it go dormant.

Can you raise the lights up higher ?

I have a friend that grows Hoya's in Vermont. He has quite an elaborate set up in his basement.

Last year my A. x portora reached around 7' tall grown in ground. Potting it up added 12-18". The tallest leaf was in the rafters so I let it go dormant. I tried waking it up in late winter and half the tuber rotted. I had potted up 3 offsets and they did fine. If I can figure out how to wake these guys up early I should get some decent size every year.