blue23rose said: Very nice pictures, Sue! Glad you asked that question, Frankie. I had not thought about doing that before.
In considering what plants to put together, I would think you would want daylilies with similar heights and bloom seasons, right?
I usually combine cultivars with a special rule in my mind.
The principle is called 'the king and his court' - you look for a 'king' cultivar that you want to stage. Ideally, this is a very showy one. To this I combine 2-4 colour-matching or complementary plants (two or three colors, not more) with different flower forms, sizes and scape heights and strengthen the effect of the king without stealing the show. The flowering times of these groups should at least overlap so that there is an overall picture with all flowers.
Sometimes a bed is filled with a special color combination that last from ee to vla - e.g. my front garden bed in red and yellow: