Last year, in between filming for Gardeners’ World, I made four trips to Spain to record a new TV series, and in the seven weeks that I was there, visited 44 gardens. Not exactly the average Spanish holiday trip, but it was much more life enhancing and enriching than any holiday I have had. (I suppose I should qualify that by admitting that my idea of a perfect holiday is an interruption-free week in the garden.)
As I write this I have just