A few more details would have been helpful - so I'm going to take a guess and hope you mean the 'White Garden' at Sissinghurst, which was designed by Vita Sackville-West.
http://www.ukgardendesigner.com/article2.htm
Thanks Wendy, I wasn't aware of this, otherwise I would have just given a clue. I don't know how anyone else feels, but perhaps a section for Quiz and Competition Hints might be an idea. Personally it doesn't bother me, but I am aware a lot of people get quite upset when someone is just given an answer they themselves have worked hard to find.