Jim and Carole tackle all manner of garden pests and diseases using bad examples from Beechgrove itself and a post bag full of beasties. As Carole majors on rose problems, she and Jim get to grips with some of the other worst offenders at this time of the year. George Anderson travels to help out a couple who have a steep slope to contend with and need plants to screen an ugly wall and enhance their garden's model railway. Lesley visits a delightful cottage garden at Easter Fardle near Meikelour.