7856 Fifth Line South The Bradford cultivar is without thorns, however, plants that have crossed with other cultivars may develop thorns. This will not only add expertise to your gardening hobby, but it will also help you understand its characteristics. Five-petal white flowers occur early in the spring before leaves appear. Common or European pear is the genetic source of many of the fruit-bearing cultivars we know as "pears." Review of risks should be undertaken before selecting this tree for planting sites. Each flower has 5 white petals and 2-3 styles. Field Characters. Restricting Callery pears to extreme urban spots where few others will grow may curtail the invasive threat. This tree is mildly resistant to damage by deer. Branches reddish brown when young, becoming grayish brown with age, initially tomentose, usually soon glabrescent; short shoots of young plants often thorn-tipped (some escaped cultivars thornless).Leaves: petiole 2–4.5 cm, glabrous; blade ovate, broadly ovate, or oblong … Bark Callery pear trees have scaly gray-brown bark and branches with numerous short lateral twigs. Flowers and Fruits Flower Type - Umbel-like racemes. The Bradford cultivar is without thorns, however, plants that have crossed with other cultivars may develop thorns. 'Aristocrat' is one of a few cultivars with strong branch arrangement and improved winter hardiness. Bradford is the most fireblight-resistant cultivar of the Callery Pears. It has many vertical limbs with embedded bark packed closely on the trunk and grows about 50 feet high by 20 to 30 feet wide but the crown is dense and the branches long and not tapered, making it quite susceptible to wind and ice damage and other breakage. Habitat. Leaves turn yellow, orange and red in late autumn. The bark is typically light gray. Leaves are alternate, simple, ovate, acuminate, glossy, rotund to broad cuneate or subcordate or truncate, crenate, dark green and glabrous, and coriaceous. Foliage: The Pyrus calleryana ‘Aristocrat’ display dark green leaves that have a wavy margin. It is beginning to cover larger and larger areas, due in large part to the fact that it is so widely planted, perhaps even over-planted, throughout the United States. They looked fine in that tough location. Leaf Shape. Callery Pear Pyrus calleryana Rose family (Rosaceae) Description: This small to medium-sized tree is 20-50' tall with multiple ascending branches; the crown is usually longer than it is wide. Deciduous; Reaches a mature height of 30′-45′ rarely 60′ Upright crown with a width of 25′-35′ Rapid growth rate; Branches are susceptible to storm damage; Alternate, broad ovate, simple, shiny leaf with finely serrated margins 1.5″-3″ long and about 2″ wide Although it rarely produces fruit, it has become naturalized in many areas throughout North America. ornamental pear, Callery pear : Family Name: Rosaceae : Plant Type: Tree - deciduous Key ID Features: Leaves alternate, ovate, margins scalloped, leathery, mostly hairless, blades 7-10 cm long petioles mostly 5-10 cm long; florets about 2 cm wide, in white in corymbs about 8 cm wide, late April to early May. Technical information. Shape: Heart shaped to oval. The gray bark of the central trunk has shallow furrows and flat scaly ridges; it is often partially covered with lichens. Branches reddish brown when young, becoming grayish brown with age, ... sharply serrate leaf margins, and persistent calyces (M. A. Vincent 2005). A study was reported of an experiment on the NC State University campus, where 6 'Bradford' trees were inoculated with the organism that causes fireblight. It is easy to grow, and is widely planted as a street tree. In the fall, this tree gives off colorful variable foliage but is one of the first trees to leaf out. Leaves are suborbicular as L/W ratio is nearly 1. Callery pear is developing self-sustaining populations in many areas as it escapes and spreads. The glossy dark green foliage is quite handsome with broadly oval, leathery leaves adorned with wavy margins. More right-angle branching than other cv's. Growth Form. Callery Pears are naturally self-sterile, but will readily cross-pollinate other cultivars. Dark lustrous green and wavy edge makes them showy, turning yellow to deep red in fall. Habit & Growth rate: Moderate growth rate. Callery pear Rosaceae Pyrus calleryana Decne. Branching on Callery pears is close to 90 degrees, with shorter, stouter limbs and sort (1") spines, as opposed to the "Bradford" pear, with an overall shape of the tree described as a tear-drop that often spreads out with age; longer branches curving up with narrow angles at … Pear Tree Is Turning Yellow. The cultivar 'Bradford' has strongly ascending branches, and is narrower than typical selections of callery pear. Today, a number of varieties of this species are planted in this country. Rounded Base of Leaf Select the image that best matches your sample Leaves beneath with soft, wooly hair; leaf margins with fine, sharp teeth Common Apple Leaves smooth beneath; margins with very fine, somewhat rounded teeth Common Pear Callery Pear Bradford Pear NOTE: Read all three fact pages to separate these two similar kinds of pear Flowering Flowering occurs before leaves emerge, typically in March in Mississippi. The fruit is 10-15 mm in diameter. Habit & Growth rate: Moderate growth rate. Leaves: Woody Plant Leaf Characteristics: Deciduous Leaf Color: Green Leaf Feel: Glossy Smooth Leaf Type: Simple Leaf Arrangement: Alternate Leaf Shape: Orbicular Ovate Leaf Margin: Serrate Hairs Present: No Leaf Length: 1-3 inches Leaf Width: 1-3 inches Leaf Description: Round, smooth leaves with serrated edges. Pyrus calleryana Decaisne, Jard. Leaves are suborbicular as L/W ratio is nearly 1. Insects, Diseases and Other Plant Problems:  Limb breakage is common due to poor crotch angles and it is often a very short-lived tree. Height: 11m x Width: 7m. The bark is scaly and gray-brown in color. The Pyrus calleryana 'Aristocrat' exhibits horizontal branches which form a broad pyramidal habit. It spreads vegetatively … Leaf Color - Semi-glossy, dark green; orange to yellow fall color. Milton, ON   L9T 2X8 Bradford or Callery pear is native to Korea and Japan, and widely planted in North America for its abundance of white, early-blooming flowers and vase-shaped growth form. Broadly pryamidal, open, wide branch angles. Small brown or tan, attracts birds, persistent. It is also considered an invasive species in the southeast. Habitat. Twigs Twigs are reddish-brown to gray and stout, with relatively large, fuzzy, light tan-gray terminal buds on the spur shoots and branch tips. tree. Leaf Width - 1½ to 2½ inches. The overall shape of the tree is often described as tear- dropped or spade-like. Review of risks should be undertaken before selecting this tree for planting sites. Read our Commitment to Diversity | Read our Privacy Statement. Today, additional concerns about invasiveness (non-sterile forms are escaping cultivation and naturalizing in some areas) are being … Form … It has many vertical limbs with embedded bark packed closely on the trunk and grows about 40 feet high by 30 to 45 feet wide … Branch angles are wider and lateral branches grow at a slower rate than on ‘Bradford’, therefore the branches are better attached to the trunk. Leaves are suborbicular as L/W ratio is nearly 1. Five-petal … This tree has become invasive over portions of the area of introduction. Fruit are small and round with seeds that are disbursed by birds and squirrels. Callery pear trees grow rapidly, achieving 12- to 15-foot height increases during an 8 to 10-year period. Journal of Arboriculture, http://www.invasiveplantatlas.org/trees.html.