Kathy Willis uncovers the role seedbanking plays in conserving worldwide plant diversity.
Kathy Willis on how Mendel's famous pea experiments helped to revolutionise horticulture.
Who decides what plants we breed, and what effect does it have on the food we eat?
Dan Saladino and Polly Russell share seed stories from this year's Oxford Food Symposium.
Dan Saladino tells the story of food grower Esiah Levy who shared seeds and changed lives.