Oh, is that what that is? I saw one in a nursery yesterday, but didn't check the tag, thought it was a mandevilla.

The flowers are, what, 2-1/5 to 3" across? Beautiful!

I don't know those measurements, but the flowers are a lot smaller than mandevillia, about 20mm across the petals, the flower tube is fine and about 60mm long. It's also a more prolific flowerer than mandevillia. If you do get it, in your climate which tends to be wet all year you might find it difficult to control. It sends out runners/suckers. Confining it to a pot not in contact with the ground might be your best bet.

3" is about 75 mm, so maybe what I saw WAS a mandevilla!

yup. went back today and checked the label. Mandevilla.

I had what I thought were Mandevillas but turned out to be Allamandas. Those are fairly similar.