landscapingtcgr garden. modern water garden design | garden design and landscape design. 1306566767908 landscaped garden. patio by blue heron landscape design. the blue water garden by nigel dunnett and the landscape agency chelsea flower show 2011. grace 6. this was a lovely garden design to work on: small but perfectly formed, and with plenty of \u0027kerb-appeal\u0027!.