The Bradford pear tree is particularly eye-catching as spring kicks off and its blooms pop. But get close and a whiff of its blossoms may send you running. An ornamental tree found across the U.S.

Q. I have an Asian pear that I planted several years ago but it has never fruited. This spring it had lots of blooms, but it still doesn’t look like it has set any fruit. Can you tell me what is wrong ...