Contents
Description
Lobelia Angulata, commonly known as the Square-stemmed Lobelia, is a herbaceous plant that belongs to the Lobeliaceae family. It is native to North America and can be found in the Eastern United States, from Florida to Maine. The plant grows up to 1-3 feet in height and has a square stem that is green or reddish in color. The leaves are alternate and lance-shaped, and the flowers are blue to purple in color and bloom in summer.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Campanulids |
| Order | Asterales |
| Family | Lobeliaceae |
| Genus | Lobelia |
Appearance
The Square-stemmed Lobelia has a unique appearance that makes it easy to identify. The plant has a square stem that is green or reddish in color, and the leaves are alternate and lance-shaped. The flowers bloom in summer and are blue to purple in color. The plant grows up to 1-3 feet in height and spreads outwards, creating a bushy appearance. The foliage is dense and lush, making it an attractive addition to any garden or landscape.
Care Guide
The Square-stemmed Lobelia is a low-maintenance plant that is easy to care for. Here are some tips on how to care for this plant:
Water: Lobelia Angulata requires regular watering, especially during the hot summer months. However, make sure not to overwater the plant, as this can lead to root rot. Water the plant once a week or when the soil feels dry to the touch.
Fertilization: Fertilize the plant once a month during the growing season with a balanced fertilizer. Avoid using high-nitrogen fertilizers, as this can lead to excessive foliage growth at the expense of flowers.
Soil: The Square-stemmed Lobelia prefers moist, well-draining soil that is rich in organic matter. The pH level of the soil should be between 5.5 and 7.0.
Sunlight: The plant thrives in full to partial sunlight. Make sure to plant it in an area that receives at least 6 hours of sunlight per day.
Hardiness Zones: The Square-stemmed Lobelia is hardy in USDA zones 4-8.
Common Pests & Diseases
The Square-stemmed Lobelia is generally resistant to pests and diseases. However, it can be susceptible to spider mites, aphids, and whiteflies. To prevent these pests, make sure to regularly inspect the plant and remove any infected leaves or stems. In terms of diseases, the plant can be susceptible to root rot and fungal leaf spots. To prevent these diseases, make sure to provide adequate drainage and avoid overwatering the plant.
Habitat
The Square-stemmed Lobelia is native to North America and can be found in the Eastern United States, from Florida to Maine. The plant thrives in moist areas such as swamps, marshes, and wet meadows. It can also grow in drier areas such as upland forests and prairies. The plant is an important source of nectar for hummingbirds and butterflies.
Question and Answer
Q: Is the Square-stemmed Lobelia poisonous?
A: Yes, the plant is toxic if ingested. It can cause vomiting, diarrhea, and other gastrointestinal symptoms. Keep the plant away from children and pets.
Q: Can the Square-stemmed Lobelia be grown in containers?
A: Yes, the plant can be grown in containers as long as the container is large enough to accommodate the root system. Make sure to use a well-draining potting mix and water the plant regularly.
Q: Does the Square-stemmed Lobelia require pruning?
A: Yes, the plant benefits from regular pruning to promote bushier growth and prevent legginess. Prune the plant in early spring before new growth appears.
Q: Can the Square-stemmed Lobelia be propagated?
A: Yes, the plant can be propagated through division in spring or fall. Dig up the plant and carefully separate the roots into smaller sections. Replant the sections in well-draining soil and water thoroughly.
Related Plants
- Lobelia cardinalis
- Lobelia siphilitica
- Lobelia erinus
- Lobelia laxiflora
References
- “Lobelia angulata.” Missouri Botanical Garden. Accessed August 4, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=281242&isprofile=0&
- “Lobelia angulata.” Lady Bird Johnson Wildflower Center. Accessed August 4, 2021. https://www.wildflower.org/plants/result.php?id_plant=LOAN2
- “Lobelia angulata (square-stemmed lobelia).” Illinois Wildflowers. Accessed August 4, 2021. https://www.illinoiswildflowers.info/wetland/plants/sq_lobelia.htm
