Milk Thistle
Silybum marianum
PLANT NAME
Milk Thistle
COMMON NAMES
Mary Thistle, Holy Thistle, Lady's Thistle
BOTANICAL NAME
Silybum marianum
IDENTIFICATION
A striking annual or biennial plant with large, glossy green leaves marked with distinct white veins (resembling spilled milk). It has sharp spines on the leaf margins and produces large, bright purple thistle flower heads.
IDENTIFICATION IMAGE
AI ART TO BE GENERATED
PARTS TRADITIONALLY USED
Seeds.
CULINARY USES
Historically, young leaves (with spines removed) were eaten as a vegetable, and roasted seeds were used as a coffee substitute.
TRADITIONAL USES
Renowned for its protective and restorative effects on the liver. The seeds contain a complex of flavonolignans known as silymarin. Traditionally used to support liver health, assist in detoxification, and soothe indigestion.
GROWING / HARVESTING
Native to the Mediterranean region but naturalized globally. Very hardy and grows well in poor soils and full sun. The flower heads are harvested when they begin to dry and produce seeds equipped with a white pappus (fluff).
SAFETY / CAUTION
Always consult your doctor. Generally well-tolerated. It may cause mild digestive upset in some individuals. Caution is advised for those with allergies to the Asteraceae/Compositae family (daisies, ragweed). It may lower blood sugar levels and interact with liver-metabolized medications.