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Eutrochium fistulosum
Eutrochium fistulosum
Eutrochium fistulosum is a perennial herbaceous plant belonging to the Asteraceae family, native to eastern North America. It is also commonly known as the "hollow thistle" and is characterized by its ability to thrive in moist, sunny locations. Growth Characteristics - Height: It typically grows up to 2 to 3 meters, making it a large plant. - Stem: It is named fistulosum because it has a hollow, cylindrical stem. - Leaves: The leaves are usually round or slightly lance-shaped, reaching a length of approximately 10 to 25 cm. - Flowers: Pink or purple flowers bloom from summer to early autumn. These flowers bloom in large clusters, attracting bees and butterflies. Propagation Methods - Seeds: It propagates via seeds. After the flowers fade in the autumn, harvest the seeds and sow them in a warm, moist place. - Direct Sowing: Direct sowing is also possible in the spring when the soil warms up. - Root Division: Mature plants can be easily propagated by root division. Cultivation Method - Soil: It thrives in fertile, well-drained wetlands and prefers slightly acidic or neutral soil. - Watering: It requires ample watering, and more water is needed, especially during dry periods. - Sunlight: A sunny location is ideal, but it can also grow well in partial shade. - Fertilizer: Generally, special fertilizers are not required, but applying slow-release fertilizer in the spring helps with growth. Utilization in the GardenBecause Euthrochium fistulosum produces large, showy flowers, it is suitable as a background plant in gardens and is also used in moist landscape gardens or wildflower gardens. It is also suitable for ecological garden compositions due to its ecological ability to attract a variety of insects. Important Pests and Control Methods - Diseases: Powdery mildew is a common disease. It can be prevented by providing a well-ventilated environment. - Pests: Pests such as aphids may occur. Upon initial detection, the infestation can be washed off with water or soap; in severe cases, insecticides must be used. - Other control methods: An eco-friendly approach involves planting natural predator plants that attract insects alongside the plant. Eutrochium fistulosum is a relatively easy plant to care for, so it can grow healthily as long as appropriate conditions are provided.
Plant Family
Asteraceae
Height
120~210cm
Spread
60~120cm
Colors
pink
Bloom Period
July~August
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-40°C
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