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Nuttali's dogwood
Cornus nuttallii
Growth Characteristics of Cornus nuttallii Cornus nuttallii is a tree native primarily to western North America, growing to a height of 10 to 20 meters. Large white flowers bloom in the spring, and red berries ripen in the autumn. The leaves are oval-shaped and turn orange or red in the fall. Propagation Methods Cornus nuttallii can be propagated by seeds and cuttings. For seed propagation, mature berries are harvested to collect seeds, which are then refrigerated to break dormancy before sowing in the spring. For cuttings, branches cut in the summer are used, and the use of rooting hormones increases the success rate. Cultivation Methods Cornus nuttallii prefers well-drained soil and thrives in full sun or partial shade. It grows best in well-drained, organic-rich soil, and requires adequate watering during dry periods. Pruning is typically performed in the spring after the flowers have faded to maintain the tree's shape and remove diseased branches. Uses in GardensThe Nuttall's dogwood is widely used as an ornamental tree in gardens due to its large flowers and vibrant autumn colors. It is particularly well-suited for street trees or large gardens, and can create a beautiful landscape when planted alongside other wildflowers. Important Pests and Diseases and Control Methods The Nuttall's dogwood is a relatively hardy tree that is resistant to pests and diseases, but it can occasionally contract leaf blight or root rot. To prevent these diseases, maintain proper watering and ventilation, and promptly remove any diseased leaves or branches. If necessary, appropriate pesticides can be used for control. Additionally, as the tree may be susceptible to damage from aphids or moths, it is recommended to conduct regular inspections and implement pest control measures.
Plant Family
Cornaceae
Height
4.5~12m
Spread
3~7.5m
Colors
white
Bloom Period
April to June
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-15°C
Silk horse chestnut tree
Cornus amomum
American dogwood
Cornus mas