| NASTURTIUMS | Garden plants with bright red, orange or yellow flowers and edible leaves |
| WARMCOLOR | Red, orange or yellow |
| SOWTHISTLES | Weeds with yellow flowers, milky juice and edible leaves |
| VERMILION | Bright red-orange |
| CALIFORNIAPOPPY | American annual plant with orange or yellow flowers (10,5) |
| URSINIA | Genus of annuals from South Africa in the chamomile tribe within the daisy family, usually with orange or yellow flowers (7) |
| BEDSTRAWS | Common name for several galiums - herbaceous plants with small white or yellow flowers, and slender leaves (formerly used for stuffing mattresses) (9) |
| TEAROSE | Hybrid prickly shrub with pink or yellow flowers and a delicate scent (3,4) |
| POPPY | Temperate plant with red, orange or white flowers and a milky sap (5) |
| MARIGOLD | Orange or yellow flower whose name ends with a precious metal |
| PHLOX | Common garden plant with bright scented flowers, originally native to North America |
| FLARE | Maritime distress signal device with red, orange or white smoke (5) |
| VERBENA | Herbaceous garden plant with bright showy flowers (7) |
| DAHLIA | Garden plant with bright flowers (6) |
| IMPATIENS | Pot plant with bright red, white or pink flowers (9) |
| VIRGINIACREEPER | American climbing plant with bright-red leaves in autumn (8,7) |
| BUSH | Plant with bright red autumn foliage on fire? (7,4) |
| BURNING | Plant with bright red autumn foliage on fire? (7,4) |
| FUCHSIAS | Garden plants with pendulous red and purple flowers (8) |
| OKRA | Plant of the mallow family with yellow-and-red flowers and edible, sticky, green pods (4) |