As Mike mentioned, those catalog photos are often over saturated, that's why I like to check them out on HMF to check the photo tabs for photos from other gardens and also read the member comments if there are any.
Lady of Shalott
http://www.helpmefind.com/gard...
Crown Princess Margareta
http://www.helpmefind.com/gard...
Port Sunlight
http://www.helpmefind.com/gard...
Mmmm, all my favorite colors!