Question: What is a mottled umber?
A chance to check your gardening knowledge against two teams led by Irene Thomas and Norman Painting.
This week's guests: Leslie Crowther ,
Lynne Reid Banks , Pam Ayres and Peter Tinniswood.
Questionmaster
Dr Stefan Buczacki.
Producer Ian Strachan. Stereo (Answer: A moth that attacks fruit trees)