Peter Gibbs chairs a gardening Q&A from Lancashire.
BBC Radio 4
Matthew Wilson, Anne Swithinbank and Bob Flowerdew answer queries at Avebury Manor.
Pippa Greenwood, Matthew Wilson and Bunny Guinness answer the questions you've posted in.
BBC Radio 4 FM only
Eric Robson chairs a gardening Q&A programme with guest panellist Bill Blackledge.
Peter Gibbs leads a horticultural discussion in Suffolk.