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hawthorn douglassie
Crataegus douglasii
Crataegus douglasii #Growth Characteristics Crataegus douglasii is a small deciduous shrub or tree native to North America, growing to a height of approximately 5 to 8 meters. This tree features linear, broad, cassia-shaped leaves and blooms with white or pale pink flowers in the spring. It bears black berries in the autumn. These berries are small, round, and sweet, making them popular among birds. #Propagation Methods Propagation is possible via seeds or cuttings. Seed propagation involves extracting seeds from mature berries in the autumn, mixing them with sand or leaf mold, and allowing them to germinate in the spring after the cold winter. For cuttings, new branches are cut in the summer to a length of about 10 cm; providing sufficient moisture and using rooting hormone can increase the success rate. #Cultivation Methods Crataegus douglasii grows in various soil conditions but prefers well-drained soil. It thrives in sunny locations and grows well even in partially shaded areas. It is important to keep the soil from drying out during the first few years after planting. Additionally, mulching is used during the winter to protect the roots from cold damage. #Uses in Gardens This tree is excellent for enhancing the ecological value of parks or gardens. It is particularly popular as an ornamental plant due to its beautiful flowers and fruit. The fruit provides food for birds, while the flowers can attract pollinators such as bees. Its small size makes it suitable for planting in small gardens or next to fences. #Important Pests and Control Methods While there may be some pests, the tree is generally quite resistant. The most common issue is fungal diseases, which can be prevented through well-maintained ventilation and avoiding excessive moisture. If powdery mildew occurs on the leaves, spray water early in the morning and use an appropriate fungicide to control it. Pests include aphids and leaf beetles; in such cases, organic insecticides or appropriate chemical control can be used. Regular pruning also helps prevent pests.
Plant Family
Rosaceae
Height
3~7.5m
Spread
3~7.5m
Colors
white
Bloom Period
May~June
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-30°C
Blue Hawthorn 'Winter King'
Crataegus viridis
'Winter King'
hawthorn 'Prunifolia'
Crataegus persimilis
'Prunifolia'