Since we have lived at Tamborine Mountain. we've been unable to grow a lot of the Hoyas we grew outside in Brisbane. So we've taken a leaf out of our European friends book. We have brought into our sunroom (known as a conservatory in England) the species that have suffered in our winter up here. Namely H.caudata. H.archiboldiana. H.lacunosa. H.macgillivrayi. H. subquintuplinervis. H. multiflora. H.curtisii. H.Lasiantha.and Hoya serpens. We had a couple of large glass vases doing nothing. so we have Hoya serpens in each together with various little plants sallagenella and orchids etc. so fingers crossed we'll see how we go.