Can be found growing wild in Britain, has magical properties, used by the Anglo-Saxons to treat Elf sickness! You can see the beautiful pink flowers of Betony in the front of the photo and the blue flowers of Vipers Bugloss behind.
Type: Hardy Perennial
Height: 60cm 
Spread: 30cm
Soil type: Tolerates most soils 
Aspect: Full sun to dense shade  
Flower colour: Pnk/Purple 
Flowering time: Late spring into Summer