Bidens cernua, commonly known as nodding beggarticks or nodding bur-marigold, is an annual plant in the Asteraceae family. It is native to North America and typically found in wetland areas such as marshes, swamps, and along the edges of ponds and streams. The plant is characterized by its bright yellow flowers and nodding seed heads.
Bidens cernua thrives in temperate climates and prefers full sunlight. It requires consistently wet soil and does well in areas with high humidity. The plant is relatively easy to care for as long as its moisture and light requirements are met.
Soil
Bidens cernua prefers loamy soil that is consistently wet or even waterlogged. Good drainage is not a primary concern for this plant, as it naturally grows in wetland areas. Ensure the soil remains moist at all times.
Fertilizer
A balanced fertilizer with an N-P-K ratio of 10-10-10 can be applied during the growing season to support healthy growth. Fertilize every 4-6 weeks for best results.
Repotting
As an annual plant, Bidens cernua does not typically require repotting. However, if grown in containers, ensure the pot is large enough to accommodate its root system and retains moisture well.
Propagation
Bidens cernua can be propagated by seeds. Sow the seeds in moist soil in the spring after the last frost. Keep the soil consistently wet to encourage germination and growth.
Pruning
Pruning is not generally required for Bidens cernua. However, removing spent flowers can help maintain the plant's appearance and encourage more blooms.
Toxicity
Bidens cernua is not known to be toxic to pets or humans. It is generally considered safe to grow in gardens and around homes.
Additional
Bidens cernua is a great plant for wetland restoration projects and can help attract pollinators such as bees and butterflies. It can also be used in water gardens and naturalized areas to add a splash of color.
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