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Purple Loosestrife

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Yellow Starthistle

Canada Thistle

Musk Thistle

Scotch Thistle

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Musk Thistle
Carduus nutans
 
Rosette

Deeply lobed leaves are distinguished by a dark green blade with a prominent light green midrib.
Adult

Musk thistle is a biennial or winter annual. Four to six foot tall plants are common.
Flower

Flowers may be violet, purple, or rose colored. Flowers are typically "nodding" or bent over. Ends of stems supporting flowers are often nearly leafless. Bloom is in June and July.
Weed Infestation

Native to southern Europe and western Asia, musk thistle thrives in pastures and range lands, in waste areas, stream banks, and road sides.
Seed

Seed is attached to a soft parachute-like plume.
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