Milk thistle (Silybum marianum) can be a pain if it's growing in your yard. It's non-native and can be an invasive plant, as ...

“Additionally, thistle seed is a major food source for ... “This may mean mulch, a healthy stand of grass or some other kind ...

From: Laura Kieser, Dan Martens and Nathan Winter, University of Minnesota Extension Now is an excellent time to be controlling Canada thistles. It is important to clip or apply herbicides to ...

As with most thistles, Scotch thistle decreases animal production by reducing the amount of pasture that livestock are prepared to eat as they avoid eating grass beside the spiny leaves, and also the ...