Bring in the colour with cornus this winter. Presenter David Maxwell visits Maurice Parkinson at Ballyrobert Cottage Garden where the glowing stems of Cornus alba ‘Siberica’ and Cornus ‘Midwinter fire’ warm up the coldest days. Is your garden too big? The experts attempt to take the workload out of looking after a large plot. David explores renting out garden space with the local founder of the ‘Allotme’ garden rental website and the National Garden Scheme adds Northern Ireland to the famous yellow book. Questions for the team to gardenerscorner@bbc.co.uk