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The roughleaf dogwood is used as an ornamental tree because of its ability to survive with little care once mature because of its tolerance to pests, low water requirements and tolerance to shade. It can grow to a height of 15 to 25 feet (4.6 to 7.6 m) with a spread of 10 to 15 feet (3.0 to 4.6 m).
A list of tree species, grouped generally by biogeographic realm and specifically by bioregions, and shade tolerance. Shade-tolerant species are species that are able to thrive in the shade, and in the presence of natural competition by other plants. Shade-intolerant species require full sunlight and little or no competition.
Cornus foemina is a species of flowering plant in the family Cornaceae known by the common names stiff dogwood [2] and swamp dogwood. [4] [5] It is native to parts of the eastern and southeastern United States. [2] This plant is a large shrub or small tree up to 25 feet tall with trunks up to 4 inches wide. The bark is smooth or furrowed.
Cornus mas Cornus florida in spring Cornus drummondii in flower Mature and immature flowers of Cornus canadensis, Bonnechere Provincial Park, Ontario Cornus canadensis fruit Spring budding Cornus is a genus of about 30–60 species [ Note 1 ] of woody plants in the family Cornaceae , commonly known as dogwoods or cornels , which can generally ...
Cornus rugosa is a shrub or small tree, 1–4 m (3–13 ft) tall, with yellowish-green twigs that may have red or purple blotches. Pith is white. Leaves are oppositely arranged, round orbicularly shaped with an acuminate tip, have an entire margin, and are woolly to hairless below. [4] Leaves have 6-8 pairs of lateral veins and 7–15 cm long.
Cornus sericea is a popular ornamental shrub that is often planted for the red coloring of its twigs in the dormant season. The cultivars 'Bud's Yellow', [ 11 ] 'Flaviramea' [ 12 ] with lime green stems, and 'Hedgerows Gold' [ 13 ] (variegated foliage) have gained the Royal Horticultural Society 's Award of Garden Merit (confirmed in 2017).
Cornus obliqua, the blue-fruited dogwood, silky dogwood, or pale dogwood, is a flowering shrub of eastern North America in the dogwood family, Cornaceae. [1] [2] [3] It is sometimes considered a subspecies of Cornus amomum, which is also known as silky dogwood. [4] [5] It was first described in 1820 by Constantine Samuel Rafinesque. [6]
Cornus amomum is a deciduous shrub growing to 5 m (16 + 1 ⁄ 2 ft) tall. The leaves are opposite, up to 10 cm (4 in) long and 7 cm (2 + 3 ⁄ 4 in) broad, oval with an acute apex. The flowers are produced in cymes. The fruit is a small blue drupe.