Sure, you have a non-native invasive species, a beautiful plant, by the way, in a container on your back patio. There's no way it will wind up in a wild space, choking out native plants, depleting the local ecosystem, starving the pollinators. No way. Right? Wrong. Barbara J. Sullivan, who once was a traditional, English garden enthusiast, keeping things clipped, raked, and tucked, took her time accepting some of these ideas. She also implemented them in stages. As she explains, once you understand your private green space as part of an inseparable whole, you will never see it the same way again.