Possible Clues:

• Lovehammers song that grew roots?
• Long lock of hair
• The Ashes are not
• Almonds and pistachios
• Classic poem that begins 'I think that I shall never see'
• Walnuts and others
• They may be clear-cut
• Douglas, Holly and Joshua with Ester by arrangement
• Maple and pine
• Baobab and banyan