Invasives

Callery Pear (Pyrus calleryana Dcne.)

Callery pear is an upright, pyramidal tree that grows 20–30 ft. tall, with a 20–30 ft. wide canopy. Young trees are relatively slender and may be thorny. Its alternate leaves are oval, up to 3 inches long and 1 1/2 to 3 inches wide, with small, round-toothed margins; long petioles…