| KNAUTIA | Genus of scabious-like plants - in UK at a resort (7) |
| CEPHALARIA | Genus of scabious-like flower - each April a variation (10) |
| NICOSIA | International function hosted by part of UK at a city |
| KNAUTIAS | Long-flowering, scabious-like plants - aka 'Tunis' variety (8) |
| MANDEVILLA | Genus of South and Central American tropical vines - conservatory plants in Britain - with spectacular, often fragrant, trumpet flowers (10) |
| NATIVE | Like plants in a pollinator garden |
| DEVILSBIT | Species of scabious with lilac-blue or violet pincushion-like flowers and roots imagined to have been begnawed by "Old Scratch", hence its name in question and Latin epithet Succisa pratensis, "cut fr |
| SEDGES | Grass-like plants... in naturalised gesneriads (6) |
| REGENCY | What style of architecture and furniture was popular in Britain at the end of the 18th Century? (7) |
| SUCCISA | Genus of devil's bit scabious - makes CIA cuss terribly! (7) |
| MARGATE | Spoil the attendance at a resort (7) |
| INTENSE | Great Britain at last isn't involved with Europe's borders |
| MICHAEL | ___ Ball, theatre star who has performed for the UK at Eurovision (7) |
| EPACRIS | A mainly Australian genus of flowering heath-like plants (7) |
| AURINIA | Sadly ruin AI with a - genus of alyssum-like plants (7) |
| RIORITA | 1942 Abbott and Costello film set at a resort on the U.S.-Mexico border |
| BLIGHTY | Brilliance breaking through for Britain at war? (7) |
| SCIRPUS | Genus of grass-like plants, related to sedge, with the common names club-rush, wood club-rush or bulrush (7) |
| BOTANIC | Like plants changed into 13 or 20 (7) |
| TEASELS | Thistle-like plants with seed heads valued as food by goldfinches (7) |
