Hillsborough Castle Gardens, unusual veg and perfect pears

Presenter David Maxwell visits Hillsborough Castle gardens a year after it reopened to the public. He chats to garden manager, Claire Woods in the lost garden about tree ferns and gets some top tips from Adam Ferguson on growing the perfect pears. David also meets up with Claire McNally, the new head gardener at Rowallane gardens near Saintfield. Also on the programme – an update from Amy Kelly on her allotment in Newtownards and David will take listeners questions with expert Reg Maxwell.