Chinese Motherwort - Leonurus artemisia - This very ornamental 4 foot variety has dark green indented leaves and strong stems topped with clusters of tiny ruddy purple flowers in summer.
This is also known a Bible Leaf and its use has been traced back to ancient times. The highly scented oval leaves are soft grey in colour and form a dense low growing bush.
Indian Hemp — Apocynum cannibinum - Also called Hemp Dogbane.
This unique medicinal perennial herb grows 6-8 inches high and makes a great ground cover plant in rockeries or marginal soil conditions.