Related Clues:
- Lemon and lime
- Maple and pine
- There are six hidden in this puzzle in appropriate places
- Douglas, Holly and Joshua with Ester by arrangement
- They may be clear-cut
- Classic poem that begins 'I think that I shall never see'
- Almonds and pistachios
- Pecan and walnut
- Shady bunch
- ''A nest of robins in her hair'' source
- Big shade trees
- Oranges and lemons
- Trees with split-resistant wood
- Oaks and elms
- What are hidden in the four long answers