blue vervain Directory References Discover Causes of the Great Depression Which Religion Is the Oldest? Cruel and Unusual Punishments: 15 Types of Torture 12 Novels Considered the “Greatest Book Ever Written” 7 of the World’s Most Dangerous Festivals How Deadly Is Quicksand? What Do Eggs Have to Do with Easter? Contents blue vervain plant Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Verbena hastata Learn about this topic in these articles:Verbena In verbenaThe blue vervain (V. hastata) reaches a height of 1.5 metres (5 feet) and produces spikes of blue to purple flowers. The Eurasian species V. officinalis, the herb of the cross, was once considered a medicinal plant.Read More
