Every spring, all over in South Carolina, we see yards, abandoned lots, natural areas, roadsides, and, in some cases, forests filled with white flowers. These first white flowers of the year are nearly all from the Callery pear tree (Pyrus calleryana). This tree is native to China, and while they may look the same, many of the trees planted in yards, around businesses, and in other managed landscapes across South Carolina are cultivars of P. calleryana. One of the most common cultivars is the Bradford pear. For more information on Bradford pears, see HGIC 1006, Bradford Pear. Bradford pears, by themselves, cannot produce viable seed. But, if pollen from a different flowering pear cultivar (or a wild Callery pear) pollinates a Bradford pear flower, then viable seed can be produced. The fruit are often eaten by birds, and birds doing what birds do (hint: they poop), spread the seeds across the land. When these new plants grow, they’re now Callery pears, the wild relative of Bradford and other cultivated varieties of Pyrus calleryana.