| RESEDA | Genus of herbaceous plants that includes dyer's rocket and white mignonette |
| NEPETA | Genus of herbaceous plants that includes the catmint (6) |
| MALLOW | English name for a family of herbaceous plants that includes cotton, hibiscus, hollyhocks and okra, from which the colour mauve derives its name (6) |
| HYPERICUM | Genus of herbaceous plants that includes rose of Sharon and Saint John's wort (9) |
| SOLANUM | A type of herbaceous plant that includes some nightshades (7) |
| NICOTIANA | Genus of herbaceous plants and shrubs in the family Solanaceae to which the tobaccos belong (9) |
| PATRINIA | Patricia replaces carbon with nitrogen for genus of herbaceous plants with sprays of small flowers (8) |
| RHEUM | Genus of herbaceous plants of the family Polygonaceae to which rhubarb belongs (5) |
| LANTANA | American genus of herbaceous plants having spikes of yellow or oranges flowers (7) |
| ANISES | Herbaceous plants |
| CORYDALIS | Genus of herbaceous plants, with spurred tubular flowers (9) |
| LOBELIA | Genus of herbaceous plants |
| DIVISION | Propagation method ideal for clumps of herbaceous plants (8) |
| HYACINTHS | Cynthia liberally feeds borders of herbaceous plants (9) |
| OCA | Any of various South American herbaceous plants of the genus Oxalis cultivated for their edible tube |
| MUSA | Genus of tropical herbaceous plants to which the bananas and plantains belong (4) |
| ECHINOPS | Genus of Mediterranean and Eurasian herbaceous plants, also called globe thistle |
| WEED | A scentless mignonette whose other name, dyer's rocket, refers to its yield of yellow dye; or, said natural pigment itself that, when mixed with blue woad, creates Lincoln green (4) |
| ALYSSUM | A herbaceous plant that typically bears small white or yellow flowers (7) |
| HOSTA | Genus of decorative perennial herbaceous plants with ribbed basal leaves |
