The wild flowy orange and gold petals of Tyrell are unrelentingly delightful!  Pictures do not do justice to this flower; so I would like to say if you love oranges, and you want a reliable and productive showstopper with great vase life, Tyrell is for you.
 
Blooms measure: 5-6” across
Mature plant height: 4.5'
Blooms in mid summer until frost
Plant in full sun
Dahlia Type: Informal Decorative