Plectranthus barbatus - Blue Spur Flower grows to about 1 ½ metres high, with large green aromatic leaves and showy blue flowers held above foliage in spring, summer and autumn. Great for a dry shady spot where other plants are not happy. Tolerates root competition from large trees well, and doesn’t need a lot of water. Light frost hardy. Blue Spur Flower is used as an edible and traditional medicinal plant.