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Description
Eupatorium Altissimum, commonly known as Tall Boneset or Tall Thoroughwort, is a perennial plant belonging to the Asteraceae family. It is native to North America and can be found in wetlands, meadows, and prairies. The plant can grow up to 5 feet in height and produces clusters of small white flowers at the top of the stem. The stems are typically green or purplish in color and are covered in fine hairs. The leaves are opposite, pointed, and toothed, and can grow up to 8 inches in length. The plant blooms from July to October.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Eupatorium |
| Species | Altissimum |
Appearance
Eupatorium Altissimum is a tall, upright plant with a bushy appearance. The stems are sturdy and can support the weight of the flowers without bending or breaking. The leaves are long and narrow, with a pointed tip and toothed edges. The flowers are small and white, and are arranged in clusters at the top of the stem. The plant has a pleasant fragrance and is often used in landscaping and gardening.
Care Guide
Eupatorium Altissimum is a relatively low-maintenance plant that can thrive in a variety of growing conditions. Here are some tips for caring for this plant:- Water: Eupatorium Altissimum prefers moist soil and should be watered regularly, especially during dry periods.- Fertilization: The plant does not require much fertilization, but can benefit from a general-purpose fertilizer applied in early spring.- Soil: Eupatorium Altissimum can tolerate a range of soil types, but prefers well-drained soil that is rich in organic matter.- Sunlight: The plant prefers full sun to partial shade and can tolerate some afternoon shade.- Hardiness Zones: Eupatorium Altissimum is hardy in USDA zones 4-9.
Common Pests & Diseases
Eupatorium Altissimum is generally resistant to pests and diseases, but can be susceptible to powdery mildew and rust. Powdery mildew appears as a white, powdery coating on the leaves and can be treated with a fungicide. Rust appears as orange or brown spots on the leaves and can also be treated with a fungicide. Insects such as aphids and spider mites can also infest the plant, but can be controlled with insecticidal soap or neem oil.
Habitat
Eupatorium Altissimum is native to North America and can be found in wetlands, meadows, and prairies. The plant prefers moist soil and full sun to partial shade. It is often used in landscaping and gardening and can be found in parks, gardens, and other public spaces.
Question and Answer
Q: Is Eupatorium Altissimum poisonous?
A: No, Eupatorium Altissimum is not poisonous and is safe for humans and animals to consume.
Q: Can Eupatorium Altissimum be grown in containers?
A: Yes, Eupatorium Altissimum can be grown in containers as long as the container is large enough to accommodate the plant’s size and needs.
Q: How often should Eupatorium Altissimum be fertilized?
A: Eupatorium Altissimum does not require much fertilization and should only be fertilized once per year in early spring.
Q: How tall can Eupatorium Altissimum grow?
A: Eupatorium Altissimum can grow up to 5 feet in height.
Related Plants
– Eupatorium perfoliatum (Common Boneset)- Eupatorium purpureum (Joe-Pye Weed)- Eupatorium rugosum (White Snakeroot)- Eupatorium fistulosum (Hollow Joe-Pye Weed)
References
– “Eupatorium Altissimum.” Missouri Botanical Garden. Accessed June 14, 2021. http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=279784.- “Eupatorium Altissimum.” Lady Bird Johnson Wildflower Center. Accessed June 14, 2021. https://www.wildflower.org/plants/result.php?id_plant=EUAL3.- “Eupatorium Altissimum.” USDA Plants Database. Accessed June 14, 2021. https://plants.usda.gov/core/profile?symbol=EUAL3.
