Lobelia is a genus of flowering plants in the family Campanulaceae. These plants are native to temperate and tropical regions throughout the world, and they are known for their brightly colored flowers.
Lobelia plants can be annual or perennial, and they range in size from low-growing groundcovers to tall, upright plants. The leaves are typically alternate and lance-shaped, and the flowers are usually tubular in shape with a distinctive two-lipped appearance. Lobelia flowers can be blue, pink, red, white, or purple, depending on the species.
In the aquarium hobby, Lobelia is a popular genus of aquatic plants known for its attractive appearance and ease of care. These plants are often used as midground or background plants, and their brightly colored flowers can add a pop of color to the aquarium. Lobelia plants prefer moderate to high light intensity and nutrient-rich water. They can be planted in the substrate or attached to rocks or wood using fishing line or aquarium-safe glue. Some popular species of Lobelia in the aquarium hobby include Lobelia cardinalis, Lobelia miniata, and Lobelia speciosa.