Well, I suppose you could contact hybridizers about the daylilies you're considering buying and ask about performance, rebloom, branching...whatever characteristics matter the most to you.

I've generally thought of rebloom as an icing on the cake kind of thing, very tasty but usually not the reason why I'm eating the cake. :) Recently, I've begun to include rebloom in a list of features that put daylilies onto a short list, but I don't use absence of rebloom as a reason to exclude a plant from my collection. I suppose that if I were trying to choose between/among two or three similar daylilies, only one of which was a rebloomer, that feature would tip the balance for me.

Nice to know about DIANE BREMER though. You've piqued my interest, and I'll have to look that one up. Same with the others you've mentioned, like SOLARIS ORBIT.

I have his FIRE FOUNTAIN, which is taking a few years to really settle in. Part of that is probably due to the fact that I had a bad habit of planting too closely, and more established daylilies around it have been muscling in on its space. FF was lovely this year; just needs to get taller. I probably should move it.