That's so funny.... both of ya!
If I may, Della, your OCD must go crazy with your Spring Pink, if it has multiple stigma lobes, too.
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On rare occasions, I will mix pollen. But I try to use pollens where the results would be (hopefully) discernible to determine likely parentage. Ruth and Hugh Cocker used mixed pollen extensively in their crosses.
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I've also mixed pollen in attempt to get fertilization of a suitor that would be unlikely to work. Can't say it has ever worked, though. I have some seedlings coming, but I'm not holding my breath.
When I did this, rather than mixing the pollen first and then applying the combination, I first dabbed with one anther, then the other. In hind site, I wonder if I should have used the former method. It would seem more probable that the compatible pollen and the not-so-compatible pollen would work together better because each would be more distributed among the other. Yes?