Margaret: Yeah. The seed bank on that one is like, whoa, it’s unbelievable [above, just one handful of uprooted seedlings at Margaret’s]. And which I think is part of its big success, obviously, is that it has that going for it.

So you’re going to do this talk for Pennsylvania Horticultural Society, February 22 I think it is, in the afternoon.

Christian: That’s right.

Margaret: And what do you think the most popular plants that people, because there’s going to be a gardening audience, are going to ask you about? What do you think they’re going to be asking you about, English ivy [laughter]?

Christian: Well, certainly bittersweet. Some of the other shrub invasives, like honeysuckle or barberry, will come in. And barberry attracts ticks, so that’s another concern for people. But I think the two heavy hitters will be of course Japanese knotweed, but also goutweed, Aegopodium.

Margaret: Right. Of course, of course. Yes.

Christian: And Aegopodium requires chemical treatment, but it can be effectively either dug out if you are very-

Margaret: Diligent.

Christian: Diligent about it, and targeted, and also use the herbicides in tandem. But it takes years of followup in order to effectively gain control.

Margaret: Yeah. Rinse and repeat, rinse and repeat, rinse and repeat, it’s a lot of do-overs.

Christian: Right. 90 percent, 95 percent, 99 percent, and then you have that 99.9 percent until it’s truly gone.

Margaret: Well Christian Allyn of Invasive Plant Solutions, thank you so much for making time today. And I guess you’re going out to mow down or brush hog down a couple of hedgerows, right?

Christian: Well, actually what I do is I have forestry-mowing contractors, so if there’s any forestry-mowing contractor listening, I’m happy to work with them.

Margaret: [Laughter.] Yeah, I bet.

Christian: They do that. And I do what I’m good at. Sharing is caring [laughter].