Is there such a thing?
I know there is a house not too far from us that has some kind of palms that are out year round and it appears that their brugs is also out year round. Not sure.
Moved into the area not too long ago and am keeping my eye on the yard everytime I drive past..LOL
Tropicals hardy to Zone 6?
I think if they were they wouldn't really be "tropicals." That said, there are a lot of plants that certainly look tropical. And who cares if they're not hardy, we grow 'em anyway. These days ones sees Bananas and EEs grown all over the country.