Across
- 4. Unique crystal found in cold weather (9)
- 7. Shiny stuff that glitters, not gold (6)
- 8. Small helper or mischievous sprite (3)
- 11. Animal seen in “green idler” rearranged (8)
- 13. Christmas plant or girl’s name (5)
- 14. Plant causing trouble when kissed? (9)
- 15. Biscuits or tracking data online (7)
- 18. Hosiery for gifts or robbery (8)
- 20. Celebrity or guiding light (4)
- 22. Town where Christ was born (10)
- 23. Plant or branching diagram (4)
- 24. Flue Santa enters, reportedly (7)
- 25. Decoration or minor addition (8)
- 27. Present or talent (4)
Down
- 1. Circle of leaves or symbol of victory (6)
- 2. Illuminations or low-calorie cigarettes (6)
- 3. Giver of gifts, saint abbreviated (5)
- 5. Kings bearing gifts, though not always clever (4,3)
- 6. Hearth providing warmth and focus (9)
- 9. Sing joyfully or woman’s name (5)
- 10. Ringing sounds or church towers (5)
- 12. Figure made after heavy fall? (6)
- 16. Heavenly being or market backer (5)
- 17. Chain of flowers, or award of honour (7)
- 18. One who leads flock or guides people (8)
- 19. Mass held by Christ initially (9)
- 20. Vehicle to glide quietly, almost silent (6)
- 21. Here, or something wrapped (7)
- 26. Birth scene, or origin (8)