Contents
Description
Bidens Bipinnata is a type of flowering plant that belongs to the family Asteraceae. It is commonly known as Spanish needles, butterfly needles, or nodding bur marigold. This plant is native to North America and can be found in various habitats, including meadows, fields, roadsides, and waste areas. It is an annual or biennial plant that can grow up to 30-100 cm in height.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Bidens |
Appearance
Bidens Bipinnata has green leaves that are pinnately divided into 3-7 toothed leaflets. The flowers are yellow and daisy-like, with 8-13 ray flowers and 10-20 disk flowers. The seeds are small and have barbed awns that can stick to clothing or fur. The plant blooms from July to September and attracts bees and butterflies.
Care Guide
Bidens Bipinnata is easy to care for and can thrive in most soil types. Here are some tips for caring for this plant:
- Water: Water the plant regularly, especially during hot and dry weather.
- Fertilization: Fertilize the plant with a balanced fertilizer once a month during the growing season.
- Soil: Bidens Bipinnata prefers well-draining soil with a pH of 6.0-7.5.
- Sunlight: This plant needs full sun to partial shade to grow properly.
- Hardiness Zones: Bidens Bipinnata can grow in USDA hardiness zones 3-9.
Common Pests & Diseases
Bidens Bipinnata is generally free of pests and diseases. However, it can be susceptible to powdery mildew and rust if grown in humid conditions. Slugs and snails may also feed on the leaves, but they rarely cause significant damage.
Habitat
Bidens Bipinnata is native to North America and can be found in various habitats, including meadows, fields, roadsides, and waste areas. It prefers moist soil and can tolerate both full sun and partial shade. This plant can tolerate drought and heat, making it a hardy and resilient species.
Question and Answer
Q: Is Bidens Bipinnata an annual or perennial plant?
A: Bidens Bipinnata can be an annual or biennial plant, depending on the growing conditions and climate.
Q: Can Bidens Bipinnata grow in containers?
A: Yes, Bidens Bipinnata can grow in containers as long as the soil is well-draining and the plant receives adequate sunlight and water.
Q: How do I propagate Bidens Bipinnata?
A: Bidens Bipinnata can be propagated by seed. Collect the seeds in the fall and sow them in the spring after the last frost.
Q: What is the best time to plant Bidens Bipinnata?
A: Bidens Bipinnata can be planted in the spring after the last frost or in the fall before the first frost.
Related Plants
- Bidens Alba
- Bidens Aristosa
- Bidens Aurea
- Bidens Ferulifolia
- Bidens Pilosa
References
- USDA Plants Database. (n.d.). Bidens bipinnata L. Retrieved from https://plants.usda.gov/core/profile?symbol=BIBI
- Missouri Botanical Garden. (n.d.). Bidens bipinnata. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=277406&isprofile=0&
- Illinois Wildflowers. (n.d.). Bidens bipinnata. Retrieved from https://www.illinoiswildflowers.info/weeds/plants/sp_needles.htm
