Lobelia, a perennial plant known for its upright, clump-forming growth habit, is typically grown as an annual in the United Kingdom due to its preference for specific climate conditions. This plant is characterised by its softly hairy texture, which adds a unique tactile element to any garden setting. 

The foliage of the Lobelia plant is comprised of ovate to lance-shaped leaves, which are pointed at the ends. These leaves exhibit a mid- to dark green colour, providing a lush backdrop for the plant's vibrant flowers. The leaves are arranged along erect stems, which stand tall and strong throughout the growing season.

The true highlight of the Lobelia plant, however, is its stunning flowers. These blossoms are two-lipped and tubular in shape, creating a distinctive and eye-catching appearance. The flowers come in a variety of colours, including shades of red, pink, and lavender, offering a range of options to suit any garden colour scheme.

The flowering period for Lobelia extends from the summer season into the autumn, providing a long-lasting display of colour and beauty. This makes it an excellent choice for gardeners looking to maintain visual interest in their outdoor spaces throughout a significant portion of the year.