Aside from cobwebby thistle, field thistle (Cirsium discolor) and tall thistle (Cirsium altissimum) are commonly found in North America. These native thistle plants are interesting in appearance ...

Globe Thistle (Echinops spp.) Globe Thistle is a unique and striking tall perennial that adds texture and interest to the garden. This plant is known for its spherical, spiky blue or white flowers ...

European marsh thistle frequently invades fens, wetlands, and disturbed sites such as roadside ditches. Identifying features include: typically grows 2-7 feet tall leaves are alternate with deeply ...