Hypericum perforatum - St. John's wort

Hypericum perforatum - St. John's wort by Sally Pinhey

Hypericum perforatum, commonly known as St John’s Wort, is a perennial herb native to Europe and Asia. Traditionally used in herbal medicine, this plant is most famous for its potential antidepressant effects. It has also been used as a natural remedy for nerve pain, inflammation, and wound healing. It is named after St John the Baptist, as it typically blooms around his feast day in late June and is associated with protection and midsummer magic. In medieval Europe, it was often placed under pillows or hung in doorways to offer spiritual protection. The small perforations on its leaves, (visible when held up to the light), were thought to represent divine light and healing energy, further reinforcing its status as a sacred and powerful herb. 

Chelsea Physic Garden has been a centre of medicinal plant knowledge for over 350 years. Established in 1673 by the Worshipful Society of Apothecaries of London, it is one of the oldest botanic gardens in Britain. Its living collection includes species from across the globe, many with histories deeply rooted in medicinal and cultural practice. Today, the Garden continues to inspire learning, offering a space for people to connect with nature and explore the essential role plants play in our health, culture, and survival.