Hoya inflata is a plant that I had pretty much given up on growing, as I had struggled mightily with it over the past 4 years. I finally seem to have it under control though. Here is what you need to do if you want to grow it like me. Use semi-hydro, but keep it very dry; only water when it is completely dry and then only give it a sip. Growing it this way has finally gotten the thing to actually start looking like a plant again. Here is a set of blooms from this week: