Some of mine have languished in certain areas of the garden. When I moved them to different spots, they expoded. Some, I can't do right by.. I'm in Zone 9b.
Some that do well for starters..
Conjuration
County Cork
Crimson King
Crinoline
Expect Wonders
Designing Woman
Dynamite
Easter Bonnet
Fall Fiesta
Father Rigney
First Interstate
Gay Geisha
Grape Echo
Joyance
Indian Chief
Lacy Snowflake
Leading Light
Majorette
Mulled Wine
pallida 'Aurea Variegata' & 'Argentea Variegata'
Paul Black
Prairie Sunset
Quaker lady
Revere
Smart Money
Spiced Custard
Splashacata
Spring Bliss
Whispering Falls
Of course, my very best performers are NOIDS