Across
- 2. tree with 'helicopter' seeds (8)
- 5. tallest trees (7)
- 7. colour changing flower, depending on pH
- 8. one with syrupy sap (5)
- 10. common furniture material (3)
- 11. where conkers come from (5,8)
- 12. ____wood studios (4)
- 13. made into a chain (5)
Down
- 1. given to a loved one (4)
- 3. used to soothe sunburn (4,4)
- 4. a frog's pad
- 6. many petaled solar (9)
- 9. red petals seen often at Christmas