Possible Clues:

• Fruit tree; colour
• Tree of the genus Morus on which silkworms feed
• Fruit tree; dark red
• Unusually blue pair of rooks nested in my bush
• Deep Purple happy to cover lullaby? Oddly, no!
• Happy about university getting pounds -- it should bear fruit
• Edible blackberry-like fruit
• Deep Purple sang verse around Bush so early in the morning!
• The tree on which the silkworm feeds