Yarrow is a hardy perennial herb known for ... St. John's Wort is a medicinal herb known for its antidepressant and ...

Today, at least 28,000 plant species are recorded as being of medicinal use ... may have side-effects or be harmful if ingested.) The yarrow plant is a herbaceous flowering perennial.

Heather, yarrow and willow are being planted on Culloden Battlefield near Inverness over the summer as part of a project exploring the significance of the plants. Some were used for medicinal ...