Contents
Description
Vernonia Angustifolia, commonly known as the narrowleaf ironweed, is a perennial herbaceous plant that belongs to the Asteraceae family. It grows up to a height of 2-6 feet and has a spread of 1-2 feet. The plant is native to North America and is found in most of the eastern states, from Maine to Florida and west to Texas.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Vernonia |
Appearance
The Vernonia Angustifolia has narrow, lance-shaped leaves that are 3-6 inches long and 1/2 inch wide. The leaves have a rough texture and are dark green in color. The plant produces small, deep purple flowers that are grouped in clusters at the top of the stem. The flowers bloom from late summer to early fall and attract butterflies and other pollinators.
Care Guide
Water: The plant requires moderate watering, especially during the growing season. Keep the soil moist but not waterlogged.Fertilization: The Vernonia Angustifolia does not require regular fertilization. However, you can apply a balanced fertilizer in the spring to encourage growth.Soil: The plant prefers well-drained soil that is rich in organic matter. It can tolerate a wide range of soil types, including sandy and clay soils.Sunlight: The plant prefers full sun but can also tolerate partial shade.Hardiness Zones: The Vernonia Angustifolia is hardy in USDA zones 5-9.
Common Pests & Diseases
The Vernonia Angustifolia is relatively pest and disease-free. However, it can be susceptible to root rot if grown in poorly drained soil. Keep an eye out for aphids and spider mites, which can occasionally infest the plant.
Habitat
The Vernonia Angustifolia is found in a wide range of habitats, including open woods, meadows, prairies, and along stream banks. It prefers moist areas but can also tolerate drier conditions.
Question and Answer
Q: Is Vernonia Angustifolia a native plant?A: Yes, the plant is native to North America.Q: What is the best time to plant Vernonia Angustifolia?A: The best time to plant the plant is in the spring or fall.Q: Does Vernonia Angustifolia attract pollinators?A: Yes, the plant produces flowers that attract butterflies and other pollinators.Q: How long does it take for Vernonia Angustifolia to bloom?A: The plant typically blooms from late summer to early fall.
Related Plants
- Vernonia altissima
- Vernonia baldwinii
- Vernonia fasciculata
- Vernonia glauca
References
- Missouri Botanical Garden. (n.d.). Vernonia angustifolia. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=k400
- North Carolina State University. (n.d.). Vernonia angustifolia. Retrieved from https://plants.ces.ncsu.edu/plants/vernonia-angustifolia/
- USDA Natural Resources Conservation Service. (n.d.). Plant profile for Vernonia angustifolia. Retrieved from https://plants.usda.gov/core/profile?symbol=VEAN
