James
I think you have very impressive photography skills. I have none.
I really don't know what any of the blooms will look like on these plants. It is almost impossible to find pictures of the plants let alone the blooms. I have heard that too that they bloom less and later than normal leafed plumeria. I just don't have enough experience with them yet.
Actually I don't care if they ever bloom. I am growing them for the foliage. Blooms are secondary to me. I used to have a large collection of orchids, over 1000 plants. To me the challenge was to get them to bloom and again the blooms were secondary.
Michael