Perennials: Are asters invasive?, 1 by soilsandup

soilsandup wrote:
Mine's do send out runners and spread. I normally do not let it go to seed so I don't have to deal with seedlings thus far. I had it planted towards the front, and then decided to move it further back to the fence. I dug out the original patch, and planted a few other things. So far, I do not see any of the old plant coming up. A little further from the area, I do get a few sprouts that I did not get out the first time. So, it does seem to be controllable. Unlike the Japanese anenomes that I have.

Here is a photo of the transplanted batch - smaller than the original, but should fill out next year. Does it look like yours?