Some people prefer to celebrate only those plants which "belong" here, and they will talk you to death about why this is right.
Like many gardeners, I enjoy mixing natives with exotics; I am simply not capable of limiting myself to one or the other exclusively. Most gardeners are country blind, and that is a good thing. Our gardens and landscapes are richer for the diversity and assimilation. Some people prefer to celebrate only those plants which "belong" here, and they will talk you to death about why this is right. I like to celebrate plants that work in my garden, and I let the plants do the talking.