Hi, no I don’t grow Gertrude Jekyll or Comte de Chambord. I have seen Gertrude Jekyll and Comte de Chambord at public gardens. I think in terms of growth habit, Deane Ross is more compact than the other two. In terms of perfume, it’s no more no less. As I type, she’s still putting out buds and flowers even though we’ve had cold weather past two weeks. She doesn’t know to pat down for winter, LOL. So I guess, it’s a matter of which colour you prefer, and how much space you can give to the rose for it to grow to her full,potential. Do you live in Adelaide? If so you can see Deane Ross at the Urrbrae House Rose garden. I think they also have Gertrude and Chambord. If not, there’s lots of Gertrude at the International Rose Garden at the Adelaide Botanic Gardens. They are at the DA garden bed that slopes towards Plane Tree Drive. Good luck!