| Clue | Source | Date |
|---|---|---|
| Red-and-green Christmas plants | Newsday | 31 Jan 2023 |
| Traditional Christmas plants | New York Times | 21 Nov 2016 |
| Traditional Christmas plants | ||
| Plants with their own national day every December 12 | LA Times Daily | 19 Jul 2015 |
| Plants with their own national day every December 12 | ||
| Christmas plants | ||
| Christmas decorations | ||
| Xmas plants | ||
| They may make you feel 18-Across | ||
| Christmas plants. | ||
| Christmas decorations. |