[Pecan tree pollination occurs through wind and bees. Some cultivars such as the Desirable pecan trees are self pollinating, however, pollination by another cultivar will increase the nut size and the overall yield. The Stuart pecan cultivar is self sterile and another cultivar such as the Desirable will pollinate Stuart successfully. The Desirable Pecan tree (universal pollinator) is recommended as a pollinator for all other pecan cultivars listed on the Ty Ty website.]