Who knows? It's listed as organic under Upton's webpage.
I really like it though. It's inexpensive, has a different flavor profile than others and so far I hadn't found any bug in it like I have another inexpensive shu. Once I make myself order some more, I think it'll be the perfect "work" tea that I'll enjoy and not have to obsess over.
Thanks for the replies. Wish I had ordered more than a 15g sample...