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Cirsium vulgare

bull thistle (Cirsium vulgare) Cirsium vulgare
Common Names bull thistle
Family Composites, Sunflower
Flower Color Purple
Plant Type Herb
Short Description Biennial.
Location McCall
Native No
Weed Noxious

bull thistle (Cirsium vulgare) bull thistle (Cirsium vulgare) bull thistle (Cirsium vulgare) bull thistle (Cirsium vulgare) bull thistle (Cirsium vulgare)

The Bull Thistle is a very common weed. It can be found in all 50 states. The tall, spiny plant can reach up to 7 feet tall. The purple flower heads are 1 ½ to 2 inches in diameter and 1 to 2 inches long. The spiny nature of the plant renders it unuseful to wildlife and livestock and reduces the forage potential of pastures.