Valerian is a perennial plant native to Europe and Asia. It is highly regarded in herbal medicine as a sedative and is a wonderful herb to help calm both mind and body.
Heartsease is typically used in skin disorders such as eczema and urticaria. It's expectorant properties means it's also useful for respiratory problems with lots of mucus.
Ginkgo was first used as a medicine in 10th century China and was then adopted in Europe in the 1960s by Germany. Today there is a significant amount of research into it at all levels, particularly for neurological and vascular conditions.