Pollan's Nativism Needs a Major Refresh

I recently reread Michael Pollan's 1994 essay "Against Nativism." In it he argues against a loud minority (a minority I float in and out of freely depending on the topic) who, according to him, believes the following:

A vocal army of designers and taste makers has decreed that the “new American garden” is henceforth a place that:
1. Outlaws any human artifice in its design;
2. Grants citizenship exclusively to native plants (any immigrant to be treated as “flora non grata,” with “invasive alien...