14:45Sissinghurst: An Unfinished HistoryEpisode 2: FamilyBBC Radio 4 Extra Duration: 15 minutes Tue 21st Apr 2015, 14:45 on BBC Radio 4 ExtraAdam Nicolson recalls life at the famous Kent garden. His mother leaves the family home, and tourism takes over from farming.GenresFactualFactualHomes & GardensSeriesSissinghurst: An Unfinished History Source: BBC Online