Yellow thistle (Cirsium horridulum)
Yellow thistle, also known as Bull thistle, Spiny thistle
Bull yellow thistle (*Cirsium horridulum*) is a flowering plant related to the sunflower that is native to North America. Bull yellow thistle is also referred to as the Horrible Thistle, the Spiny Thistle, and the "Big spine Thistle." Thomas Nuttall, an English botanist who worked in America, called the plant "terribly armed."
Key Facts About Yellow thistle
Attributes of Yellow thistle
Lifespan
Annual, Biennial, Perennial
Plant Type
Herb
Plant Height
46 cm to 1.5 m
Spread
30 cm to 90 cm
Leaf Color
Green Blue
Flower Size
2.5 cm to 8 cm
Flower Color
Yellow Purple Pink Red White
Scientific Classification of Yellow thistle
Phylum
Vascular plants
Class
Dicotyledons
Order
Asterales
Family
Daisy
Genus
Thistles
Species
Yellow thistle