Dan Bachman has some great tall ones with large blooms that are very striking in a clump.
I'm a King Bee (Bachman, 2009)
height 48in (122cm), bloom 9in (23.0cm), season M, Dormant, Tetraploid, 27 buds, 3 branches, Unusual Form Cascade, Burnt red self above huge gold throat. (Klaatu Barada Nikto × Thin Man) .....
B.J. McMillen (Bachman, 2004)
height 52in (132cm), bloom 8.5in (21.5cm), season La, Dormant, Tetraploid, 30 buds, 5 branches, Unusual Form Crispate, Orange yellow blend with light orange halo above yellow gold throat. (Sears Tower × Highland Spider)