A blooming Bradford pear tree in Wichita, Kansas. Picture: Alamy

Using Chinese seeds, American scientists thought they had created the dream tree. Then it grew into a nightmare

A handsome pear seedling, once embraced as the ubiquitous tree of post-war suburban America, has turned aggressively invasive from Texas to New York

Topic |   Environment

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A blooming Bradford pear tree in Wichita, Kansas. Picture: Alamy
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