I have this growing through a rose near my front door. It is in flower now, large flowers which are reaching up to the sun. Quite contained, not rampant. Flower size about 4" across. Yes, it is darker on the edges and a softer red/pink in the middle of the leaves.... any ideas which one it is? I searched and found 'Bourbon' but then discovered that was a 'new' variety, and this one has been in situ for at least 10 years.