There are few sights and smells more arresting in the garden than a katsura or toffee apple tree in mid autumn its heart shaped green leaves turn shades of yellow purple and red before falling to the ground and releasing a distinctive and intoxicating fragrance thats similar to fairground candy floss or sweet toffee apple hence its name heavenly r peter experienced this last autumn while walking in a lovely parkland setting where the scent truly filled the air as the autumn colours wer