Morning FocusPodcasts Vivienne Campbell Shares Secret Healing Tree Lore 23rd March 2017 Share on Facebook Tweet on Twitter ‘Wild Food & Herbal Medicines’ is the theme of a talk to be given at the X-PO in Killinaboy this evening (Thursday March 23rd). Ahead of her talk on the herbal goodness of native trees, herbalist Vivienne Campbell joined Gavin.