| NILEGREEN | Flower with environmental colour (4,5) |
| GREEN | Environmental - colour (5) |
| OCEAN | Aussie kids show with environmental undertones (___ Girl) |
| ACIDRAIN | Amateur police division ran across individual with environmental concern (4,4) |
| ECOCIDE | At the end, Seb took on CID to deal with environmental destruction (7) |
| AMARYLLIS | Flower with a bulb |
| DANDELION | Flower with a "clock" (9) |
| AFTERGLOW | Wild flower with tag, "Light of Evening"? (9) |
| CELANDINE | Wild flower with greater and lesser varieties (9) |
| HOLLYHOCK | Flower with prickly leaves to give to uncle |
| TIGERLILY | An orange flower with black spots (5,4) |
| SPEEDWELL | British wild flower with delicate bluish petals |
| SAXIFRAGE | Low-growing wild flower with five white petals (9) |
| AQUILEGIA | Flower with one lower part one must put in water (9) |
| REDCLOVER | Called "honey-stalks" by Shakespeare, a wild flower with trefoil leaves and pinkish-purple blooms, abundant in hay meadows (3,6) |
| SUNFLOWER | Flower with large yellow heads, widely grown in Mallorca where it appreciates the sunshine (9) |
| POPPY | Wild flower with a species synonymous with remembering those who died during the First World War, depicted on the coat of arms of the Royal College of Anaesthetists (5) |
| NIGELLA | With cultivars including Miss Jekyll, Persian jewels and Cambridge blue, a flower with lacy- or hazy-like bracts, also called love-in-a-mist (7) |
| YELLOW | Colour of a flower with the species name flavidus (6) |
| IRIS | With lower petals known as falls, flower with a species whose violet-scented orris root is used in perfumery and as a botanical extract in some varieties of gin (4) |