Natalie, yes there is an Australian Daylily Society. AHS is the body for registrations as in the US. There are several Australian sellers who "stock the latest and best from breeders in the US". Whoever, it is a filtering system that leaves one coveting what does not make it to Australia. When one trawls the net and sees what is actually out there: drool. The advantage is that they are not as expensive by the time they are available here.
Here is another Double Rosedale from yesterday.