Urban Gardeners' Question Time

London Environmental Eductation Forum invite you to come and question London's most inspiring urban gardeners about your community gardens, green roofs, trees, wildlife corners and window boxes.

The expert panel will include Guardian gardening writer Lia Leendertz, Catherine Miller from the Federation of City Farms and Community Gardens, BBC London gardening expert St John Stephens, Lydia Davis of Tree for Cities and Guerilla Gardening's Richard Reynolds.