Helen Mark presents this week's edition of Gardeners' corner. 
She takes a trip to the Arboretum at Castlewellan Forest Park to oversee the work on the herbaceous borders.
Frank and Linda McCooke give Mary Doris a masterclass in all things gourd - from Crown Prince to Munchkins, how to grow and what to cook.
David Lindsay from Picked Organic on why he decided to give the good life a go. 
Expert Ann Fitzsimmons joins Helen in studio to answer listeners questions. Email any time gardenerscorner@bbc.co.uk

Gorgeous gourds, Herbaceous borders at Castlewellan arboretum and organic growing

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