Kathy Clugston hosts the horticultural panel show. Matt Biggs, Matthew Pottage and Pippa Greenwood answer listeners' gardening questions sent in via email and social media.This week, the panel discusses the merits of banana peel as a fertiliser, how best to care for your succulents and planting suggestions for a movable wedding date.Away from the questions, James Wong chats to Grow2Know founder Tayshan Hayden-Smith about gardening in the wake of Grenfell and Advolly Richmond dusts off the history books once again to tell the story of the nasturtium. Producer - Jemima RathboneAssistant Producer - Rosie MerotraA Somethin' Else production for BBC Radio 4