I've read here that goji berry spreads.
How badly does it spread?
Should I worry about it spreading?
I've read here that goji berry spreads.
How badly does it spread?
Should I worry about it spreading?
Whether it becomes invasive or not depends entirely on its growing conditions - if it likes them, then it will be highly invasive, if its not keen, not only will it not spread, it won't be too productive either. Here's some reading on the plant and the conditions it likes
http://www.pfaf.org/user/Plant.aspx?LatinName=Lycium+barbarum