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Description
Lobelia flaccidifolia, commonly known as the blue cardinal flower, is a perennial herbaceous plant that belongs to the Lobeliaceae family. It is native to North America, specifically in the eastern part of the United States. The plant can grow up to 3 feet tall and 2 feet wide, producing beautiful blue flowers that bloom in late summer and early fall. The leaves are thin and lance-shaped, measuring about 4 inches long and 1 inch wide.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Lobeliaceae |
| Genus | Lobelia |
Appearance
The Lobelia flaccidifolia plant has beautiful blue flowers that bloom in late summer and early fall. The flowers are tubular in shape and measure about 1 inch long. They grow in clusters at the top of the stem, creating a beautiful display of color. The leaves are thin and lance-shaped, measuring about 4 inches long and 1 inch wide. They are dark green in color and have a slightly glossy appearance. The stem of the plant is thin and green, with a slightly hairy texture.
Care Guide
Proper care is essential to keep the Lobelia flaccidifolia plant healthy and thriving. Here are some tips:
- Water: Keep the soil consistently moist, but not waterlogged. Water the plant regularly, especially during dry periods.
- Fertilization: Fertilize the plant with a balanced fertilizer once a month during the growing season.
- Soil: Plant the Lobelia flaccidifolia in well-draining soil that is rich in organic matter.
- Sunlight: The plant prefers partial shade, but can tolerate full sun in cooler climates.
- Hardiness Zones: The Lobelia flaccidifolia plant is hardy in zones 3 to 9.
Common Pests & Diseases
Like most plants, the Lobelia flaccidifolia can be prone to pests and diseases. Here are some common ones to watch out for:
- Aphids: These small insects can suck the sap from the plant, causing it to wilt and die.
- Spider mites: These tiny pests can cause the plant to become covered in webs and eventually die.
- Powdery mildew: This fungal disease can cause a white powdery substance to appear on the leaves, eventually leading to leaf drop.
- Root rot: This disease is caused by overwatering and can cause the plant to wilt and eventually die.
Habitat
The Lobelia flaccidifolia plant is native to North America, specifically in the eastern part of the United States. It can be found growing in wetlands, along streams and rivers, and in other moist areas. The plant prefers partial shade and moist, well-draining soil.
Question and Answer
- Q: Is Lobelia flaccidifolia a good plant for a beginner gardener?
- A: While the plant is relatively easy to care for, it may not be the best choice for a beginner gardener due to its specific growing requirements.
- Q: Can the Lobelia flaccidifolia plant be grown in a container?
- A: Yes, the plant can be grown in a container as long as it is kept consistently moist and receives enough sunlight.
- Q: How often should I fertilize my Lobelia flaccidifolia plant?
- A: Fertilize the plant once a month during the growing season with a balanced fertilizer.
- Q: What is the best way to propagate the Lobelia flaccidifolia plant?
- A: The plant can be propagated by division in the spring or fall.
Related Plants
- Lobelia cardinalis
- Lobelia siphilitica
- Lobelia puberula
References
- “Lobelia flaccidifolia.” Missouri Botanical Garden. Accessed September 8, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=286292.
- “Lobelia flaccidifolia.” Plant Finder. Accessed September 8, 2021. https://www.plantdelights.com/products/lobelia-flaccidifolia.
