What's on Events and courses Family activities Lotions and 'Magic' Potions Can a poison be a medicine? Explore a brief history of medicine and find out about the folklore of plants and ‘witchcraft’, learning how the power of plants can heal and soothe. We will show you how to make some of your own natural and low-cost healing potions and plant a mini medicinal garden to take home, and. there'll be ample opportunities to explore our gardens of medicinal plants, as well as our edible and poison beds. For ages 8+ Please note: Children must be accompanied by a ticket-holding adult There is no discount for Friends of the Garden Sorry, this event is now sold out.