| ROSA | Genus of climbing, prickly plants including roses (4) |
| STANDARDS | These levels of quality or attainment are usually tall form of plants on single stems - including roses and types of apple tree! (9) |
| TUDOR | Period that spanned the reigns of monarchs from Henry VII to Elizabeth I; or, an architectural style with decorative symbols including rose, thistle and fleur-de-lis (5) |
| HOYA | Australasian genus of plants including the wax plant (4) |
| SIDA | Sharing a Greek root with pomegranate and water lily, a genus of malvaceous plants including the bala, country mallow and fanpetal (4) |
| ROOT | Main edible part of plants including parsnip and carrot (4) |
| DYES | Substances derived from plants including, henna, indigo and saffron (4) |
| CLEMATIS | Genus of climbing plants of the buttercup family (Ranunculaceae) whose members include virgin's bower and traveller's joy (8) |
| SMILAX | Genus of climbing shrubs that includes the sarsaparilla and false chinaroot (6) |
| TEASELLING | Use of prickly plants to raise the nap of (cloth) (10) |
| PEA | A family of plants including the garden Pisum sativum; a seed of the latter, eaten as a vegetable or blown through a shooter; or, a tiny cob of coal, coffee berry, roe of salmon or stone, when akin to |
| CACTI | The stems of these prickly plants function as a water storage component |
| THISTLES | Prickly plants that bear the national flower of Scotland |
| ACACIA | Shrub in areas full of prickly plants, with temperature dropping (6) |
| BRIERS | Masses of prickly plants |
| BRIER | Tangled mass of prickly plants |
| HOLLYWOOD | Plantation of prickly plants in America (9) |
| ORIGANUM | Genus of the aromatic "joy of the mountain" plants, including marjoram, aka winter-sweet, and a herb used for seasoning lamb, pizza or tomatoes (8) |
| TRADESCANTIA | Genus of plants including the Virginia spiderwort and Ohio spiderwort (12) |
| GENTIANELLA | Genus of plants including hercampuri and agueweed (11) |