| Clue | Source | Date |
|---|---|---|
| Plant of genus Verbena with showy flower spikes (7) | ||
| Plant with small blue, white or purple flowers and square stems also called Herb of the Cross | Mirror Quiz | 10 Jun 2024 |
| A herbaceous plant once used as a magical and medicinal herb (7) | ||
| Plant that’s excessively puffed up, but not round | The Times Cryptic | 15 Feb 2022 |
| Medicinal plant extremely useless? Not unknown | The Times Cryptic | 11 May 2016 |
| Extremely arrogant, uprooting unknown plant | ||
| Fragrant plant. |