Perhaps one shouldn't have favourites, but Abbey House in Malmesbury, Wiltshire is definitely mine. It is a gem of a place, with plenty of interest from spring through autumn. If you are in the area - heck no, go out of your way - do visit this garden. You will not be disappointed!
There is a link to their website on my 'Links' page if you'd like details of opening times and directions.
This image is available as a GREETINGS CARD