I didn't get the chance to pollinate either of them, for some reason they didn't flower this year... but I grafted two varieties onto the flavour king and the flavour grenade, as well as two varieties onto my aprium, don't remember which varieties they were off the top of my head, I do know that they were cross pollinators that shared flowering times.
Next year they should go crazy.
Did your pleurry surprise you with how fast it grew, so far I'm blown away with the three I put in ground this year.