Pear Trees (IMAGE) University of Cincinnati Caption University of Cincinnati professor Theresa Culley says Callery pear trees planted in neighborhoods in Ohio are sprouting in forests across the state. Ohio banned the sale of pear trees beginning this year. Credit Joseph Fuqua II/UC Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.