blue vervain Directory References Discover 10 Best Hockey Players of All Time 7 Deadliest Weapons in History 10 Failed Doomsday Predictions Timeline of the Space Race, 1957–69 Which Religion Is the Oldest? 7 Unique Burial Rituals Across the World The Seven Sacraments of the Roman Catholic church 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
