But David, how do you know that your plant doesn't have offspring planted by birds elsewhere?
I've heard the same thing from people here who grow purple loosestrife. They don't notice the plants sprouting in the RR right of ways, drainage ditches, ponds and nature preserves nearby; they assume that their clump is the one and only and don't realize that the seeds have traveled farther in their neighborhood than they themselves do.
They at least have the shallowest of root systems. Even the largest plants lift out of the ground with a slight pull. The seedlings pull out easier than most weeds I have in any beds anywhere without any need to dig them out.
Weeding is a part of life that will not by pass most of us and I love Ardesia still.
You should have read my message from a property owner in Gainesville. He bought several acres of property. At the time of purchase there was no coral ardisia anywhere on it. A couple of years later the property was infested, and he was pleading for information about how to get rid of it. Hand pulling wasn't practical for him.
Most exotic invasive plants were included in landscapes because they are beautiful. It's really hard to accept that some of our favorite plants are, in fact, thugs.