06-09-2015, 02:30 PM
Roundup repeatedly.
The wisteria that went wild here had 30 to 50 foot long lateral root with vertical roots where a shoot would come up every 18 to 36 inches. Even pulling that huge lateral root out ( in some places 2-3 inches fat ) all those little vertical roots become new plants. For years. Years of pulling, years of Roundup.
...and then there are the seed pods ....
The wisteria that went wild here had 30 to 50 foot long lateral root with vertical roots where a shoot would come up every 18 to 36 inches. Even pulling that huge lateral root out ( in some places 2-3 inches fat ) all those little vertical roots become new plants. For years. Years of pulling, years of Roundup.
...and then there are the seed pods ....