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The ornamental pear and its cultivars, Redspire and Aristocrat are the tallest of the flowering trees, reaching up to 50 feet high. Fauer is the smallest at a diminutive 20 feet tall. The Capital variety is in between, reaching up to 35 feet in height.
The most well-known ornamental pear tree, the Bradford pear grows in full sun in USDA hardiness zones 5 to 9. This tree features white blossoms in the springtime and yellow or red foliage in the fall months. Bradford pear flowers have an unpleasant smell.