![]() During peak bloom, some customers have been observed at mall parking lots, getting out of their cars, reacting to the odor, getting back in their cars, and driving off.Ĭonsidering the invasiveness of this species, it would be preferable to select and alternative native flowering shade tree such as the Eastern Redbud, Flowering Dogwood, Common Serviceberry, or American Plum for the home landscape. This plant is used as a temporary specimen tree for 10 to 20 years in residential sites, commercial sites, school grounds, and malls. However, all 6 trees existing on the campus at that time were misidentified Callery pears, not a 'Bradford' cultivar. Each tree developed fire blight thus, the conclusion was that 'Bradford' was not resistant. A study was reported of an experiment on the North Carolina State University campus, where 6 'Bradford' trees were inoculated with the organism that causes fire blight. 'Bradford' is regarded as relatively pest and disease free, whereas the species is very susceptible to fire blight. Typical members of Callery pears have more spreading branches and some leaves with L/W ratios near 2. Leaves are suborbicular as L/W ratio is nearly 1. It also develops tight crotches that are likely to be split in half by heavy wind and rainstorms. The cultivar 'Bradford' has strongly ascending branches and is narrower than typical selections of Callery pear. ![]() In the fall, this tree gives off colorful variable foliage. Fruit is non-ornamental and hidden by the foliage. ![]() It is also considered an invasive species in the southeastern United States. Many people encountering this odor will wrinkle their nose and begin to look around on the ground. The branches grow at upright angles with weak crotches that break with age, wind, and ice. The blooms at peak, unfortunately smell like a decaying animal. The Callery pear is one of the first trees to bloom in the spring and is covered profusely with white flowers. Pruning is required to improve strength and structure of the tree. It is soil adaptable, urban tolerant, drought tolerant, transplants easily, and can grow in partial shade. The Callery pear prefers full sun, moist, well-drained, loamy soils. He brought 2,000 plants to the Paris Museum of History including this species ![]() Callery, who was a missionary to China and botanical collector. The epithet, c alleryanna, is in honor of an Italian, Joseph M. The genus name, Pyrus, is Latin for pear. Now the concerns are regarding invasiveness, escaping cultivation, and naturalization. Concerns for overplanting and structural weakness of the branches began to emerge in the 1980s. In the 1950s, this promising tree was introduced into the landscape in the United States. The Callery pear is a member of the Rosaceae or rose family and is native to portions of China, Japan, Korea, Taiwan, and Vietnam. The most notable cultivar is the 'Bradford Pear.' Unfortunately, the Callery pear tree has seeded out into natural areas and has become invasive in many states. It is used frequently for its rapid growth rate and tolerance to a variety of urban conditions, including drought, air pollution, and heat. It is a very common landscape plant, most notably in the spring when the tree is full of white blossoms. Please see the suggestions in the left-hand column or see this video created by Charlotte Glen as part of the Plants, Pests, and Pathogens series.Ĭallery pear is a dense, pyramidal, ornamental, broadleaf deciduous tree that grows up to 50 feet tall and 20 to 35 feet wide. This plant is problematic, and alternatives should be considered. Phonetic Spelling PI-russ kal-er-ee-A-na This plant is an invasive species in North Carolina Description
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