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Devil's needle
Bidens biternata
Bidens biternata is a plant belonging to the Asteraceae family and is primarily distributed in Asia. The following is various information about this plant. Growth CharacteristicsBidens biternata is an annual or perennial herbaceous plant that thrives in sunny locations. It can grow to a height of approximately 30 cm to 1 m, and its leaves are arranged in a pinnate pattern. Small yellow flowers bloom from summer to autumn, characterized by their white tips. PropagationThis plant primarily reproduces through seeds. Seeds can be easily dispersed by wind and animals, allowing for widespread distribution. While it naturally germinates and grows on its own in the wild, it is recommended to sow seeds in the spring for artificial propagation. CultivationBidens biternata tends to grow well without special care, but well-drained soil is desirable, and it prefers neutral to slightly acidic soil. It grows better under conditions with adequate moisture rather than in dry environments. In addition, it is recommended to reduce competition by regularly removing weeds. Uses in the GardenThanks to its showy flowers, Bidens pilosa can be used as a decorative plant in gardens or flowerbeds. It is particularly suitable for natural and wild garden styles and can also be utilized to encourage the growth of various wildflowers. Important Pests and Control Methods Bidens pilosa is generally resistant to pests and diseases, but it can contract fungal diseases in overly wet environments. To prevent this, it is important to maintain well-drained soil and regulate watering. Additionally, pests such as aphids can be removed using alcohol or soapy water if detected early. In severe cases, eco-friendly insecticides can be used. Based on this information, grow and care for Bidens pilosa healthily to beautify your garden.
Plant Type
Plant Family
Asteraceae
Height
30~150cm
Spread
Colors
yellow
Bloom Period
August~September
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-30°C
American barnyard grass
Bidens frondosa
Devil's needle
Bidens bipinnata