Hello Anne Marie, Welcome to the group. About the Seed X and Bulb X. There is none comparable as the PBS. Members send in their excess and Dell Sherk makes it available to all members of the PBS. You'll get an email listing the offerings, you choose, most often you get what you wish for, quantities permitting of course. This is such an incredible way to try bulbs you normally would not get the chance to. Loads of fun. Linda in still cold Red Deer, AB, Canada