Possible Clues:

• No new joke is stable enough to make one so seedy
• Note thrushes flying around crown of coppiced tree
• The stale old stable joke for conkers
• In southern parts, arranged box or other tree
• Product of plant damaged by youngsters during autumn strikes
• Type of tree
• Gruff-sounding enthusiast hugging box tree
• Animal, one of a particular colour, in tree
• Source of timber from the southern Caucasus, extremely versatile
• Crate from Brazil at beginning of rocky shore is for the birds