Family: Asteraceae

Scientific Name: Silybum marianum

Common Name: St. Mary's Thistle, Blessed Thistle, Milk Thistle

DescriptionLooks like and feels like a thistle with interesting marbled variegated prickly foliage. A tender perennial treated as an annual in colder climates.
Plant TypeAll Plants, Perennial Tender
Hardiness Zone7
Sunlightfull
Moistureaverage
Soil & Siteaverage
Flowersrosy purple sweet scented thistle like flowers, solitary, bracts have spines
Leavesdeeply lobed, clasping the stem, alternate and the edges have a woody spine, green with a white mottled variegation, basal leaves form a rosette
Dimensions4 feet
Propagationseeds
Native SiteNative to the Mediterranean region of Europe
Misc FactsIn many areas it is considered a noxious weed. Considered as an annual, hardy annual and a biennial depending on the area.
Notes & Reference#04-Herbaceous Perennial Plants (Allan Armitage)
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