Silybum marianum is a member of the Asteraceae family of plants. It is an annual or biennial plant. It is native to Southern Europe to Asia. It is also known as Cardus marinas, Saint Mary’s Thistle, Blessed Milk thistle, Milk thistle, Marian Thistle, Mediterranean Milk Thistle, Scotch Thistle, or Variegated Thistle. It can grow up to 2m or 79in. The leaves are medium green. They are oblong to lanceolate, lobate or pinnate, and spiny. Silybum marianum is thorny.
How to grow Silybum marianum:
Grow it in the full sun. Plant it in poor or normal but well-drained soil. Propagate by seed. No pruning necessary. It is pest-free and disease-free.
Silybum marianum flower in the summer. The flowers are purple. They are about 10cm or 4in. at most. They use Milk Thistle or Silybum marianum for medicinal purposes. They are researching this plant for purposes of liver disease and cancer. The plant can be toxic to cattle and sheep.