Ive used clear too, Ive used carpeting, cardboard, ... since the roots are
down to
the clay subsoil 18 inches deep only hand removal has been successful.
Jerome Osentowski wrote:
> Not black, but clear plastic.
> >
>
> > Ive left black plastic over quack grass areas for several years & still
> > it'll
> grow
> > back within a month or two. the only way we remove it here is by hand.
> > Ive
> read
> > numerous accounts that a pig tractor does wonders for removing quack
> > grass but
> have
> > never seen it in operation. We make a great coffee substitute with
> > quackgrass
> > roots, just dry them & grind them.. tastes remarkably like cafix. mIEKAL