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Description
Rumex Verticillatus, commonly known as Swamp Dock, is a perennial herb belonging to the family Polygonaceae. It is native to North America and can be found in wetlands and marshes, as well as along rivers and streams. The plant can grow up to 4 feet tall and has a thick stem with numerous branches. It produces small, greenish flowers in late spring to early summer, followed by reddish-brown fruit clusters in late summer to early fall.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Caryophyllales |
| Family | Polygonaceae |
| Genus | Rumex |
Appearance
Rumex Verticillatus has large, broad leaves that are up to 10 inches long and 6 inches wide. The leaves are smooth and have a wavy margin, and are arranged in whorls of three to six around the stem. The stem is thick and hollow, with numerous branches that grow from the base of the plant. The small, greenish flowers are arranged in clusters on long, slender stems. The fruit clusters are reddish-brown and contain small, triangular seeds.
Care Guide
Swamp Dock is a hardy plant that requires minimal care. It prefers full sun to partial shade and moist, well-draining soil. It can tolerate wet soil and even standing water for short periods of time. Water the plant regularly, especially during hot, dry weather. Fertilize once a year in the spring with a balanced fertilizer. Swamp Dock is hardy in USDA zones 4 to 8.
Common Pests & Diseases
Swamp Dock is generally resistant to pests and diseases. However, it may be susceptible to fungal diseases such as rust and powdery mildew, especially in humid conditions. To prevent these diseases, avoid overhead watering and ensure good air circulation around the plant. Aphids and spider mites may occasionally infest the plant, but can be easily controlled with insecticidal soap or neem oil.
Habitat
Rumex Verticillatus is native to North America and can be found in wetlands and marshes, as well as along rivers and streams. It is a common component of freshwater wetland ecosystems and plays an important role in stabilizing the soil and preventing erosion. The plant provides food and habitat for a variety of wildlife, including insects, birds, and mammals.
Question and Answer
Q: Can Swamp Dock be grown in containers?
A: Yes, Swamp Dock can be grown in containers as long as the container is large enough to accommodate the plant’s root system and provide adequate drainage.
Q: Is Swamp Dock toxic to humans or animals?
A: While Swamp Dock is not considered toxic, the plant contains oxalic acid which can cause irritation to the skin and mouth if ingested in large quantities.
Q: How often should Swamp Dock be fertilized?
A: Swamp Dock only needs to be fertilized once a year in the spring with a balanced fertilizer.
Q: Can Swamp Dock be propagated from cuttings?
A: Yes, Swamp Dock can be propagated from stem cuttings taken in the spring or fall. Cut a 4 to 6-inch stem, remove the lower leaves, and place the cutting in moist soil. Keep the soil moist and the cutting in a shaded area until it roots.
Related Plants
- Rumex Acetosella (Sheep Sorrel)
- Rumex Crispus (Curly Dock)
- Rumex Obtusifolius (Bitter Dock)
References
- USDA Plants Database. Rumex verticillatus. https://plants.usda.gov/core/profile?symbol=RUVE
- Missouri Botanical Garden. Rumex verticillatus. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b576
- Wildflower Center. Rumex verticillatus. https://www.wildflower.org/plants/result.php?id_plant=RUVE
