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Description
Bupleurum Americanum, commonly known as American thoroughwax, is a perennial plant that belongs to the Apiaceae family. It is native to North America and can be found in various parts of the United States, including the Great Plains, the Midwest, and the South. The plant features a slender stem that can grow up to 3 feet tall and has small, greenish-yellow flowers that bloom in late summer.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Apiales |
| Family | Apiaceae |
| Genus | Bupleurum |
Appearance
The leaves of Bupleurum Americanum are long and narrow, measuring up to 8 inches in length. They are dark green in color and have a glossy appearance. The flowers are small and grow in clusters at the top of the stem. They have a greenish-yellow color and can be up to 1/8 inch in diameter. The plant blooms in late summer and early fall and produces tiny, black seeds that can be collected for propagation.
Care Guide
Bupleurum Americanum is a hardy plant that can grow in a variety of conditions. It prefers well-draining soil and full sun but can tolerate partial shade. The plant should be watered regularly, especially during dry periods, but should not be overwatered as this can lead to root rot. Fertilization is not necessary but can be done sparingly with a balanced fertilizer. The plant is hardy in zones 4-9 and can tolerate cold temperatures down to -30 degrees Fahrenheit.
Common Pests & Diseases
Bupleurum Americanum is generally not susceptible to many pests or diseases. However, it can be affected by aphids, spider mites, and mealybugs. These pests can be controlled with insecticidal soap or neem oil. The plant can also be prone to fungal diseases such as powdery mildew and rust. These diseases can be prevented by ensuring proper air circulation around the plant and avoiding overhead watering.
Habitat
Bupleurum Americanum is native to North America and can be found in various habitats, including prairies, meadows, and open woodlands. It prefers well-draining soil and can tolerate dry conditions.
Question and Answer
Q: Can Bupleurum Americanum be grown in containers?
A: Yes, Bupleurum Americanum can be grown in containers as long as the container is large enough to accommodate the plant’s root system.
Q: How often should Bupleurum Americanum be fertilized?
A: Bupleurum Americanum does not require frequent fertilization, but it can be done sparingly with a balanced fertilizer.
Q: Can Bupleurum Americanum be propagated by division?
A: Yes, Bupleurum Americanum can be propagated by division in the spring or fall.
Q: What is the best way to control aphids on Bupleurum Americanum?
A: Aphids can be controlled on Bupleurum Americanum with insecticidal soap or neem oil.
Related Plants
- Bupleurum fruticosum
- Bupleurum falcatum
- Bupleurum chinense
- Bupleurum rotundifolium
References
- https://www.wildflower.org/plants/result.php?id_plant=BUAM
- https://plants.usda.gov/core/profile?symbol=BUAM
- https://www.gardeningknowhow.com/ornamental/flowers/bupleurum/growing-bupleurum-plants.htm
