The seeds and plants could also travel considerable distances by floating along in irrigation canals and ditches. By the turn of the twentieth century, Russian thistle had made its way to California, ...

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 ...

4-D or MCPA on older plants. In parts of Hawkes Bay, we have found populations of slender winged thistle that have developed resistance to MCPB, MCPA and 2,4-D, but we don’t think this has happened in ...

What is milk thistle good for? Here are the advantages and downsides of taking milk thistle supplements – plus whether it is safe to do so.