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 ...

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 ...

The Sacramento Mountains thistle is a rare purple flower than can grow to be six feet tall and lives only in wet, high-elevation habitats in the Sacramento Mountains near the town of Cloudcroft, New ...

The Sacramento Mountains thistle is a rare purple flower than can grow to be six feet tall and lives only in wet, high-elevation habitats in the Sacramento Mountains near the town of Cloudcroft, New ...

Canada thistle can be found in clay to gravelly soils. typically grows 3-5 feet tall stalk-less leaves around 6 inches long, wavy, lobed leaves with yellow spines at each lobe stem is spineless, ...