Thought to have magical properties in part due to the bright red pigment, which seeps from the crushed flower heads, resembling the blood of St John at his beheading. Has been used as a herbal treatment for anti-depression. 
Type: Hardy Perennial
Height: 80cm 
Spread: 30cm 
Soil type: Will tolerate most soil types
Aspect: Sun/light shade 
Flower colour: Yellow
Flowering time: Summer