Like all plants, weed strengths vary so certain species can be more of an unsightly and time-consuming pain than others. When it comes to thistle weeds, experts agree there is only one method to ...

As with many members of the Asteraceae family, it starts life as a rosette, and then bolts to form an upright flower stem. Sow thistle is an annual weed that can establish at any time of the year. It ...

Scotch thistle is the most common thistle species in New Zealand with spines on both the leaf surface and margins. Scotch thistle is a biennial weed, so it depends quite heavily on the establishment ...