Cunningham's Encyclopedia of Magical Herbs - Scott Cunningham 1985

Thistle, Holy
The Herbs

(Centaurea benedicta, Cnicus benedictus, Carbenia bendicta) P

Folk Name: Blessed Thistle

Gender: Masculine

Planet: Mars

Element: Fire

Powers: Purification, Hex-Breaking

Magical Uses: Wear the holy thistle to protect yourself from evil, and add to purificatory baths. Holy thistle is also used in hex-breaking spells.