Q.Where Can I Purchase Blue Poppy Seeds?
Certified GKH Gardening Expert
While these are not true poppies, I believe you are looking for the Himalayan blue poppy. We don't recommend plant or product vendors, but a quick Internet search did pop up some seed vendors. Most were in the UK, but at least one looked like a reputable seed company in the U.S. I would refrain from purchasing from individuals, but stick to reputable seed companies.
I notice you live in Reno, which may be too warm for these plants. They have specific growing requirements, and they can be difficult. Here is more:
https://www.gardeningknowhow.com/ornamental/flowers/himalayan-poppy/growing-himalayan-blue-poppy.htm