Speedwell, Veronica officinalis, is a thickly growing, abundant groundcover, well known to the ancient Celts as a treatment for battle wounds. Domestically used as a substitute for tea and as a remedy for the symptoms of stress and skin rashes. Speedwell is a native of Europe and is adaptable to most soils but prefers an open sunny position. Frost resistant but drought tender. A perennial ground cover, growing to 0.5m x 1m.