You live in the state that hybridizes the best daylilies in the world - I'm sure if you look you can find one or two or fifty daylily growers. Try Frank Smith - not only is he well known in orchids but quite good at the daylily thing too.
Start here
Frank Smith Daylilies... Daylilies Of Distinction
If Frank doesn't have anything that tickles your fancy then you can contact any of these folk and they can tell you other places, many on-line where you can spend your money.
AHS Region 12
Everything in FL will be either evergreen or semi-evergreen and will thrive in your garden because they don't sell dormants in FL. Guard your wallet though, some can be quite expensive.
Brooke