I only have 2 spurias, the white species (I think) found at an old home site and a hybrid I've lost track of the name from Dee several years ago- it has never bloomed, but is still around. Its supposed to be violet and rust. I relocated it last year in hopes of making it happy enough to bloom.
I'd like to try some others. I get the impression they take a few years to settle in, is that what those of you who grow them have seen?