Grow Your Own Drugs: Exotic Plants

Ethnobotanist James Wong investigates plant based medicine and shows that many of the exotic plants he uses will grow really well in our own back gardens. He uses lemongrass in an insect repellent, transforms olive leaves into a face mask, makes a soothing burns treatment from aloe vera and chamomile and turns tea bushes into a zingy mouthwash to help fight plaque and freshen breath. Members of the public, in need of help, give his remedies and beauty treatments a go