Blue vervain is a tall, perennial weed with slender spikes of small ... A perennial with spiny leaves and small, purple, ...

A few of the more common are field, tall and bristly thistles ... The post How to Get Rid of Thistle Weeds for Good appeared first on Family Handyman.

This aggressive weed is difficult to control ... The flowering period is from late june until frost in the fall. Musk thistle is biennial or sometimes a winter annual, which grows up to 6 feet tall.

Hence the move to make similar use of this closely related and much more common species. As sow thistle can grow up to 1 m tall, it can be quite a competitive weed. It gets its common name from being ...

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 ...