Our trusty advisors gather to help RHS members with their gardening problems including what to do about an apple tree that produces nasty apples, which are the most blackspot resistant roses and how to stop your peace lilies going brown. Garden writer Melissa Mabbitt and Deputy editor of The Garden magazine Phil Clayton debate this month's hot topic – whether forcing plants out of season is an acceptable sales tactic. And finally, Jenny Bowden reveals the results of a nationwide survey into which plants are most deer resistant.

Selected blackspot-resistant roses: Rosa rugosa , 'Roseraie de l'Hay', 'Blanche Double de Coubert', 'Shepherdess'