We've been having a fine English spring and I have been lucky enough to be able to visit some horticultural treasures over the last week - Just click on the named links to see my photo's
1) Beth Chatto's Gardens in North Essex - you'll find great examples of woodland planting and what Beth achieved with a former car parking area is impressive. Beth Chatto although in her 80's is still going strong - find out about her here.
2) Kew Gardens - Entry now is a bit expensive (perhaps worth becoming friends as we have) now and there seem to be some questionable (to me) additions but the Tree Walk is fun and provides an experience that kids'll love.
3) Ham House a fine example of what the National Trust excel in - splendidly historic and an oasis of peace in London's back yard (apart from the noise of the planes)