It's the Gardeners' Corner phone-in with David Maxwell this Saturday morning live from Studio 8. Joining David to answer your gardening problems are Neil Porteous and Ann Fitzsimons and lines are open on 03030 805555 and to text its 81771. Standard network charges apply. Join the team for lots of great gardening advice this Saturday morning just after the 9 o'clock news on BBC Radio Ulster and BBC Sounds.