Lauri,
While I don't know enough about Plumeria problems to answer your question, I did however find your other post about your graft experiment.
Andi

Here is a link that might be useful: your post

I've never tried to graft plumerias but it sounds like the graft didn't take.
Karyn

I'm wondering why it didn't take. What did or didn't I do? I cut it in a V shape, along with the "root plant" and taped together well, and put on a protective waterproof tape. Well I guess the old saying, if at first you don't succeed...There are always more cuttings to be grafted. Just want to give it a shot.
Lauri

Maybe the cambium layer didn't line up correctly? I think that's what it's called. I'd certainly try again if I were you and had enough plants to play around with. I was thinking of using some of my seedlings to try grafting but then I'd never know what the flowers on the seedlings would have looked like. lol Good luck next time.
Karyn

I agree. Something wasn't lined up properly so the grafted portion is not getting any nutrients/sap from the host. If you can post a photo we could help you better.

Tony

Lauri,
I know when Luc from Fl colors does his graftts, he cuts at like a 60 degree angle. Lines those up and uses hat pins to hold it until he can put a rubber band on it. He then wraps it with the green tape, and pulls out the pins. I did one like this last year at my buddys nursery and it seems to be doing very well. Don't give up. If I had more available plants I would try more myself. Best of luck.

John

Thanks for all the info. Planning on giving it another shot soon.
Lauri