Lobelia Cardinalis

This impressive perennial produces showy red flowers that really stand out from the crowd. They form in tall spires, which if cut back after the flowers have faded, will usually go on to form lateral shoots that will carry even more flowers later in the season. This usually ensures that there is a continuous display of flowers from early summer to mid-autumn. An exotic-looking plant that looks great at the edge of a pond or forming generous drifts in a bog garden.