A wonderful bloomer in deep orange is Bridgeton Intense Flame. The scapes are at least 40" and I think would be even taller if in a sunnier spot.
Second photo is Bridgeton Gem. I just LOVE it!
It was a late bloomer for me (at least 8 scapes with tons of buds!)...I saw the first 3 beautiful blooms then some uninvited company ate all but 2 tiny buds! At least I have this keepsake photo!