Globe thistle is a fast-growing, contemporary-looking perennial plant with spherical blue, purple, or white blooms that add arresting color to summer border gardens. Yet unlike other eye-catching ...

The leaves of a Canada thistle are glossy green and have spiny edges with white hairs on the bottom. It can grow between 3 and 5 feet tall. Despite its bright and pretty blooms, don't mistake this ...

unlike the leaves and unlike bull thistle and European marsh thistle pink, white, or lavender-colored flowers with flat bracts and pointed tips that bloom in June seed are fluffy, white tufts of hair ...

Bull thistle, a member of the Asteraceae family ... although repeated cuts - one early season before flowers bloom, and one late season - will be needed to suppress the plant (be sure not to mow ...