ATLANTA — After a warm, breezy Sunday, the pollen count in Atlanta was measured at 3,028 grains per cubic meter, the highest so far this year. Pine, Oak, Birch, Hackberry, and Sweet Gum were the ...

Examples of self-pollinating plants include wheat, barley, rice, tomatoes and potatoes ... for many of our crops. A pollen grain starts to grow if it lands on the stigma of a flower of the ...