The 17 types of dogwood trees in this genus that are native to the United States also include some species that are best described as subshrubsfast-growing woody plants that tend to die back in the winter to ground level and grow back. The Oregon State University website has great disease photos and information for treatment. Dogwood trees and shrubs (Cornus spp.) include a large group of flowering plants within the genus Cornus. Lawn watering that is daily and shallow is not appropriate for establishing healthy root systems in trees.ĭiseases: Dogwoods are prone to several fungal diseases. When tree roots are established, they require less irrigation.Ħ.
Soaker hoses and Tree Gators work well to provide slow-release deep watering. More if temperatures are hotter, less if it is colder. Water infrequently, maybe twice a week when temperatures are in the 80-90 degree range. Pacific dogwood thrives in USDA zones 6b through 9a. Water deeply for 20-30 minutes, enough to soak the root system. Add a layer of mulch over the surface of the roots, taking care to leave the trunk clear.ĥ, During the first year the tree will require regular irrigation. Mix compost and EB Stone Sure Start Fertilizer into the soil when planting.Ĥ.
Cornus mas dogwood tree full#
If you ignore this and choose a spot with full sun, realize that the tree will require more water in summer and may have scorched leaves.Ģ. Too much shade will inhibit flowering and fall color, too much sun can burn leaves. Site the tree in a spot that gets sunshine in the morning & shade in the afternoon. It is rare to find such conditions within city limits.ġ. Success with Dogwood trees - Many Dogwood trees grow as under story trees in their native habitats, thriving with filtered sunlight and soil that has built perfect structure after years of leaves and needles dropping and composting on the forest floor. Herbaceous Dogwoods – 3-6” tall forming a mat Shrub-form Dogwoods range from 12” to 15’ tall
Size: Tree-form Dogwoods range in size from 15’ to 35’ tall Variegated leaf-forms exist but most species have medium green leaves that turn red & purple in autumn.įruit is 2 seeded and ranges in color from white to pink to red. Leaves are opposite except for Cornus alternifolia and Cornus controversa. Often the bracts are confused with flowers as they are brightly colored and showy in spring. Flowers are borne in clusters that are sometimes surrounded by modified leaves called bracts. Several species are native to the Pacific Northwest.Ĭharacteristics: The genus is made up of trees, shrubs and herbaceous plants. Origin: 45-50 species native to Asia, Europe and North America.
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