![]() This effect will probably fade with the onset of hot weather This selection features young leaves with a golden yellow color. Profile Video: See this plant in the following landscape: Mountain Ridge Top Garden - West Lawn and Border Cultivars / Varieties: VIDEO created by Ryan Contreras for “Landscape Plant Materials I: Deciduous Hardwoods and Conifers or Landscape Plant Materials II: Spring Flowering Trees and Shrubs” a plant identification course offered by the Department of Horticulture at Oregon State University Nut weevils, filbert worms, and acorn moth cause damage to the acorns. The most destructive is the gypsy moth that defoliates the trees. Potential insect pests include carpenter worms, timber beetle, red oak borer, and chestnut borer. It is susceptible to oak wilt and chlorosis (yellowing of the leaves while the veins remain green) which can occur when soil is not sufficiently acidic. Insects, Diseases, or Other Plant Problems: The northern red oak has no serious insect or disease problems. fruits are rounded, 0.75 to 1.5-inch brown to reddish-brown acorns with a shallow cap.flowers are yellowish-green, inconspicuous, and not showy.leaves are green on the upper surface and grayish-white beneath. ![]() large leaves, measuring 8 to 12 inches long, 4 to 8 inches wide with 7 to 11 pointed lobes and tips.branches and trunk have light gray longitudinal lines.It may be used as a specimen, shade tree, street tree, and in recreational areas. It is also an important food source for squirrels, deer, and birds. The northern red oak is typically planted for its ornamental value due to its shape and fall foliage. Northern red oak generally first bears fruits at 20-25 years but doesn’t produce acorns in abundance until 40-50 years. The acorn requires two growing seasons to reach maturity. The tree produces a 0.75 to 1.5-inch acorn with a flat, thick cap that covers about 1/4 of the nut. The leaves alternate with 7 to 11 bristle-tipped lobes. Yellow-green, cylindrical, male flowers in spring and small, green, female spikes mature. The shallow furrows form a pattern resembling ski tracts. The bark is smooth on young trees but as it ages, wide, flat-topped ridges and shallow furrows develop. ![]() Once established, they are drought, dry soil, black walnut, and air pollution tolerant. The northern red oak prefers full sun, moist to dry, well-drained, acidic, fertile, sandy to loamy soils. The genus name, Quercus, is the Latin name for oak trees. It commonly grows on mesic slopes and well-drained uplands, lower and middle slopes, coves, ravines, or valley floors. The northern red oak is native to Eastern North America and is found throughout the Piedmont and mountain areas of North Carolina. This tree is a member of the Fagaceae or beech family. The fruits are acorns that are rounded and large. Inconspicuous male and female flowers appear in the spring, and the fruits appear in the fall. They have 7 to 11 pointed lobes that are sharply pointed at the tips. ![]() It has green leaves on the upper sides and the undersides are grayish-white. It may grow 50 to 75 feet tall and equally as wide. Northern Red Oak is a medium-sized, moderate to fast-growing, deciduous tree with a rounded to broad spreading crown that branches close to the ground. Phonetic Spelling KWER-kus RU-bra This plant has low severity poison characteristics. ![]()
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