Actually it is 10 seeds. I wanted to make a sign: SEED LIMIT 10. For medical card holders its 50. But the number varies and I have never seen anyone busted in Oregon for Cannabis seeds.
Not sure where I saw it when I looked around online, but was trying to figure out why the few Dispensaries that even did sell seeds in town sold them in packs of 5 only. Went to THC Fair at the fairgrounds here and there was only one outfit selling seeds at their booth when there was 3-4 last year selling seeds, so wasn't sure if they cracked down on that or being a pain about it or what, as I had heard a rumor that seeds had to be tracked like the plants for Rec or some stupid thing (but who knows as hearsay and not something I read in their headache inducing rules ).