Q: I have a steep slope that was covered in crown vetch. I covered it in landscape fabric and mulch to kill it. It's been two years and it appears to have worked. Should I go ahead and tear up the mat ...

Crown vetch is a perennial legume that spreads by strong fleshy rhizomes (underground root stalks). It has coarse, strongly branched stems 2-6 feet long and an extremely heavy multi-branched root ...