What will kill this plant?

 I have lots of what we call elephants ears, but I think they are more
likely some sort of alocasia and I want to control them.  Glyphosate
won't ( I've sprayed directly and have also cut the plant at ground
level then painted on neat glyphosate), nor will tree and blackberry
poison.  To dig them out could wreck parts of the garden.  Any
suggestions please?
TIZ

 On Sat, 14 May 2011 18:44:37 -0700, tathraman wrote:


I would suggest that poison is going to do more damage than digging
up the plant you don't like.

 In article


Dig & pull. They are persistent. Nice plant for xerogardening.
--
- Billy

Bush's 3rd term: Obama plus another elective war
Bush's 4th term: another Judas goat

America is not broke. The country is awash in wealth and cash.
It's just that it's not in your hands. It has been transferred, in the
greatest heist in history, from the workers and consumers to the banks
and the portfolios of the uber-rich.
<http://theuptake.org/2011/03/05/michael-moore-the-big-lie-wisconsin-is-broke/>

 Occlusive mulch.   Cut the plants down to the ground, cover with
a light-occlusive mulch,  Once a week, inspect and remove any new sprouts;
add more mulch as needed. Depending on the biomass underground, it may
take several years, but the plants will be dead, and you won't have to dig.
Cheap, safe and easy, if tedious.

 heavy, wet newspapers.  



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Somewhere between zone 5 and 6 tucked along the shore of Lake Michigan
on the council grounds of the Fox, Mascouten, Potawatomi, and Winnebago