| ACONITUM | Latin name of a poisonous plant with violet-blue flowers, commonly called wolfsbane or monkshood (8) |
| ACONITE | Poisonous plant with purple flowers, known as monkshood and wolfsbane (7) |
| NIGHTSHADE | New thing with colour of a poisonous plant |
| WOLFSBANE | A poisonous plant with hood-like flowers (9) |
| AGAPANTHUS | Latin or genus name of a plant with blue or white flowers, commonly called lily of the Nile (10) |
| ACONITES | Poisionous herbs, also called wolfsbane |
| SKULLCAP | Plant of the mint family with violet-blue tube-like flowers; or, a safety helmet used by jockeys and other equestrians (8) |
| PERIWINKLE | Plant with purple-blue flowers |
| PENNYROYAL | Plant with purple-blue flowers which yields an aromatic oil (10) |
| GENTIAN | A plant with violet or vivid blue trumpet-shaped flowers (7) |
| CATKINS | Hazel's flowers, commonly called 'Lamb's tails' (7) |
| MICHAELMAS | ___ daisy, autumn-flowering aster with deep violet-blue flowers (10) |
| HYDRANGEA | Genus or Latin name of a garden shrub with pink, white or blue flowers known for their ability to ch |
| DELPHINIUM | Derived from the Latin meaning dolphin, a flower commonly called larkspur traditionally forming a herbaceous border with plants such as lupins, hollyhocks and foxgloves (10) |
| ICTERUS | Technical name for jaundice; from the Latin name of a yellowish-green bird (7) |
| AGNUSCASTUS | The chaste tree with violet-blue fragrant flowers (5,6) |
| NOLANA | Chilean bellflower, an annual with violet-blue blooms (6) |
| ANANAS | Latin name of a tropical bromeliad bearing pineapples (6) |
| VIOLETS | Purple-blue flowers (7) |
| WISTERIA | Genus of ornamental climbing plants of East Asia and North America, with purple, blue or white flowers (8) |
