DIYbanter - View Single Post - Neighbors on either side have encroaching crab grass any way to keepthem off my lawn?

dpb

wrote:
....
I suspect that rock salt would kill everything.

Mo' defenently if concentrated enough to kill the crabgrass...and will
be lingering until it's finally diluted...

Pre-emergent herbicides are only selective one
that works for crabgrass. ...

And other than Siduron they're really not particularly selective--others
will at least inhibit severely virtually any germinating seed at the
time they're still active.

....

http://www.uri.edu/ce/factsheets/sheets/crabgrass.html

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