I bought OG seeds from Fedco last year. I have left over seeds so I planted more this year. No problem sprouting at all. I will use the left over seeds next year again just to see how long those seeds are viable.
Fedco packaged their seeds well. I closed the packet tightly and in a fridge.
My OG set fruit late this year because we had very cool and wet spring. I did not planted the seedlings out until late.