It may look like the last thing you'd want to eat, but that scary-looking bull thistle is edible. Here's how to prepare it ...

Like many other biennial invasives, bull thistle is able to produce a large seed bank that can remain viable for up to 10 years! As a result, the plant can easily spread and form dense stands in ...

Invasive plants will suppress desirable shrubbery ... Multiple mowing rounds before the thistles bud out can keep them in check. Bull thistle (Cirsium vulgare) is another biennial (sometimes ...