| Clue | Source | Date |
|---|---|---|
| Tree specialist (8) | ||
| Another term for tree surgeon (8) | ||
| Tree expert | Eugene Sheffer | 25 May 2023 |
| Tree surgeon | The Guardian Speedy | 08 Nov 2020 |
| Tree expert | Universal | 09 Nov 2018 |
| Tree expert | ||
| Tree expert | Premier Sunday | 20 Aug 2017 |
| Tree surgeon | ||
| Tree maven |