Riddle me this! Green Quiz

All the answers to the quiz contain the word..................?

1. a dollar bill (slang)

2. a Tenderfoot (Old West)

3. a Lifesaver flavour

4. an Anti-Nuclear organization

5. an old folk song

6. a place where mean time is kept zero degrees longitude

7. a European plum-like fruit

8. an old tv show

9. clothes for St. Patricks Day

10. a tree or shrub that doesn't lose its leaves

11. a glass house in which delicate plants are grown

12. a large island to the northeast of Canada

13. an old, sad love ballad

14. foliage or vegetation

15. where the putting hole is on a golf course

16. a public piece of grassy land in the middle of a small settlement

17. a retail dealer in vegetables (in UK)

18. where plays are often read, in a theatre

19. from a tree that is still growing

20. the colour of the boat that the Owl and the Pussycat went to sea in