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Description
Eupatorium Mohrii, also known as Mohr’s thoroughwort, is a flowering plant native to the southeastern United States. It belongs to the Asteraceae family, which is the second-largest family of flowering plants. This plant blooms from July to October, producing clusters of small white or pinkish flowers that attract bees, butterflies, and other pollinators.
Taxonomic Information
| Domain | Kingdom | Phylum | Class | Order | Family| Genus||——–|———|——–|——-|——-|————|————–|| Eukarya | Plantae | Angiosperms | Eudicots | Asterales | Asteraceae | Eupatorium |
Appearance
Eupatorium Mohrii typically grows to be 2-4 feet tall and 2-3 feet wide. It has an upright habit and forms a clump. The leaves are lance-shaped, 3-6 inches long, and arranged opposite each other on the stem. They have a rough texture and are dark green above and lighter underneath. The flowers are small and arranged in flat-topped clusters that can be up to 8 inches in diameter. Each flower is about 1/4 inch wide and has five petals. The flowers are followed by small, dry fruits that are dispersed by the wind.
Care Guide
Eupatorium Mohrii is a low-maintenance plant that is easy to care for. Here are some tips for keeping it healthy:- Water: This plant prefers moist, well-drained soil. Water it regularly, especially during dry spells, and avoid getting the leaves wet to prevent fungal diseases.- Fertilization: Eupatorium Mohrii does not require much fertilization. You can apply a slow-release fertilizer in early spring if you want to encourage more flowers.- Soil: This plant prefers fertile, slightly acidic soil. If your soil is too alkaline, you can amend it with compost or peat moss.- Sunlight: Eupatorium Mohrii prefers full sun to partial shade. It can tolerate some shade, but too much shade can cause it to become leggy and bloom less.- Hardiness Zones: This plant is hardy in USDA zones 5-9.
Common Pests & Diseases
Eupatorium Mohrii is generally not prone to pests or diseases. However, it can be affected by powdery mildew, a fungal disease that causes a white, powdery coating on the leaves. To prevent powdery mildew, avoid overhead watering and provide good air circulation around the plant. If powdery mildew does appear, you can treat it with a fungicide.
Habitat
Eupatorium Mohrii is native to the southeastern United States, where it grows in moist meadows, swamps, and along stream banks. It prefers sunny or partially shaded areas with moist, well-drained soil. It can also tolerate some drought.
Question and Answer
Q: Can Eupatorium Mohrii grow in containers?
A: Yes, Eupatorium Mohrii can be grown in containers as long as they are large enough to accommodate its root system. Use a good-quality potting mix and make sure the container has drainage holes.
Q: Can Eupatorium Mohrii be propagated from cuttings?
A: Yes, Eupatorium Mohrii can be propagated from stem cuttings taken in early summer. Cut a 4-6 inch stem from the parent plant and remove the lower leaves. Dip the cut end in rooting hormone and plant it in a pot filled with moist potting mix. Keep the cutting in a warm, bright location and keep the soil moist until it roots.
Q: How often should I divide Eupatorium Mohrii?
A: Eupatorium Mohrii can be divided every 3-4 years to maintain its vigor. The best time to divide it is in early spring before new growth appears.
Q: How do I deadhead Eupatorium Mohrii?
A: Deadheading, or removing spent flowers, can encourage Eupatorium Mohrii to produce more blooms. Simply cut off the spent flowers with a pair of sharp scissors or pruners.
Related Plants
Here are some plants that are related to Eupatorium Mohrii:- Eupatorium perfoliatum (Common boneset)- Eupatorium purpureum (Joe-Pye weed)- Eupatorium serotinum (Late-flowering thoroughwort)- Eupatorium altissimum (Tall boneset)- Eupatorium maculatum (Spotted Joe-Pye weed)
References
– “Eupatorium Mohrii.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c220.- “Eupatorium Mohrii.” North Carolina State University Extension, content.ces.ncsu.edu/eupatorium-mohrii.- “Eupatorium Mohrii.” Plant Database, Dave’s Garden, davesgarden.com/guides/pf/go/77617/.
