Try looking at
www.scotts.com
They have a section about weeds and which product (theirs, of course!) is
recommended for which weed.
The information we found there helped us get rid of nut grass.
Lynn
"lbbs" wrote in message
...
I spray killex on my law. It killed all the weed but did not phase the
Blackseed plantain. Any idea why that would be?