| Answer | Crossword Clue |
|---|---|
| ROBERT | Plant of rock |
| ROBERT | Plant found in the Rock and Roll Hall of Fame |
| LICHEN | Rock plant |
| LICHEN | Rock plant. |
| LICHEN | Rock garden plant. |
| AVENS | Rock-garden plant |
| ROBERT | Plant in rock? |
| FERN | Rock garden plant. |
| MOSS | Rock garden plant. |
| SAXIFRAGE | Rock garden plant. |
| ROBERT | Plant famous for thriving in a rock-filled environment? |
