Both men are troubled by the feeling that gardens have taken a wrong turn.
But the lower garden has taken matters into its own hands.
A botanical garden in such a setting must take a universal approach.
The garden goes back 360 years and took 30 years to complete.
So the garden could take just five of the shrubs.
Other modern gardens have taken a much more radical approach to the traditions.
The garden took 6 weeks and 2.6 tons of Plasticine to complete.
The garden took many years, and a considerable sum of money, to complete.
But as a result, her garden has taken a new direction: vertical.
This year 450 gardens across the country will be taking part.