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Devil's needle
Bidens pilosa
Bidens pilosa is an annual herbaceous plant belonging to the Asteraceae family that thrives primarily in warm climates. The plant's growth characteristics, propagation methods, cultivation methods, garden uses, major pests, and control methods are as follows: - Growth Characteristics: - It can grow to a height of approximately 30 cm to 100 cm. - The leaves are pinnately arranged and pointed at the tips. - The flowers are small, mainly white or yellow, and bloom from summer to autumn. - Propagation Methods: - It is primarily propagated by seeds. - Seeds germinate easily in well-moistened soil and are capable of self-pollination. - It can be easily dispersed by wind or animals. - Cultivation Methods: - It grows well in well-drained soil. - It prefers sunny locations but can also grow in some shade. - It grows healthily when provided with adequate water and nutrients. 4. Uses in the Garden: - Bidens pilosa is a useful plant for soil improvement and weed control. - Since it grows well even in dense environments, it can be used as a cover plant. - In some regions, it is also used as a medicinal herb. - Major Pests and Control Methods: - Major diseases include powdery mildew and rust, which thrive in excessively humid environments. - For control, it is recommended to ensure good ventilation and use appropriate fungicides when necessary. - Major pests include aphids and moths; manage them using appropriate pesticides. Because Bidens pilosa has a strong reproductive capacity, caution is required when managing it in the garden. With proper care and control, it can be effectively utilized in the garden.
Plant Type
Plant Family
Asteraceae
Height
50~180cm
Spread
Colors
white
Bloom Period
June to September
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-5°C
Eye-shaped snake
Bidens tripartita var. repens
bracket
Bidens parviflora