I'm not sure how it works. If I found some I would sure send them to Peter in the original packaging if I can.
Ag security is pretty tight these days. Really bad when I travel to New Zealand. They wont even let me send a rattle off of a rattle snake to my father in law. I guess they are worried that if he planted it, a snake plant may grow, flower, and spread seeds that would grow more little snakes. Thats how it starts you know
The big town has a market in it that caters to a lot of the Eastern European immigrants. My wife's friend from Latvia used to love going there. I guess they can order anything you need. I am going down next week.
Introduced species in this region range from benign to invasive. There are so many of both anymore that it is hard to know what is native here and what is not. Unless you know for sure, of course. Few locals do. As time goes on I'm beginning to learn a little more about this issue. It is a very interesting subject.
What about ebay? Are any of these type seeds shown and offered to be shipped to Canada or international, what you are looking for? By way of eBay, I recently bought a type of tea seeds from Bulgaria. They arrived at my location no problem.