1. Christopher Lloyd, UK gardener, writer and great character, in his book The Well-Tempered Garden.
2. Christopher Bradley Hole, about the Trailfinders Australian garden designed by Phillip Johnson winning Best in Show at the Chelsea Flower Show, 2013.
3. Carl Linnaeus in Genera Plantarum, published in 1737
4. Prince Charles
5. Gertrude Jekyll, UK horticulturist and designer in the early 20th century.
6. Humphry Repton, UK landscape gardener of the late 18th and early 19th century, written in 1816.
7. Piet Oudolf, Dutch landscape designer and plantsman, in an interview with the New York Times in 2008.
8. Jamie Durie, Australian landscape designer in his book, Outside.
9. Monty Don, speaking about his UK home garden which is the film set for many of his shows.
10. P Allen Smith, USA gardening show host and strong advocate of home food gardening knowledge.
11. Claude Monet, about his garden at Giverny
12. Martha Stewart, USA TV celebrity
13. Beth Chatto, renown UK gravel gardener and writer
14. Russell Page, in his seminal book, Education of a Gardener.
15. Thomas Church, in his book Gardens are for People.
16. Vita Sackville West, UK creator with her husband Harold Nicolson of the famous Sissinghurst Castle garden
17. Michael Pollan, UK journalist, author and activist, in his book The Omnivore’s Dilemma
18. Martha Schwartz, USA landscape architect and Harvard professor, in an interview with the UK Telegraph in 2009.
19. Roberto Burle Marx, Brazilian landscape architect and larger-than-life character
20. Dan Pearson, UK landscape designer, journailist and TV presenter, described once as the ‘rock god’ of UK horticulture