Lobelia erinus

Lobelia close-up (aka)

Lobelia erinus 0.02

Curtis's botanical magazine (No. 514) (8413247595)

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Lobelia erinus

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Lobelia erinus in bloom

Lobelia erinus, commonly known as garden lobelia, is a species of flowering plant in the bellflower family Campanulaceae. It is native to southern Africa, where it grows in a variety of habitats, including grasslands and rocky slopes. This plant is widely cultivated for its attractive flowers and is popular in gardening and landscaping.

Description

Lobelia erinus is a herbaceous plant that typically grows to a height of 10–25 cm (4–10 in). It has a spreading habit, with stems that can trail or form a dense mat. The leaves are small, alternate, and ovate with serrated edges. The flowers are the most distinctive feature of this plant, being small, tubular, and usually blue, although white, pink, and purple varieties also exist. The flowers have five lobes, with the three lower lobes being larger than the two upper ones.

Cultivation

Lobelia erinus is a popular choice for hanging baskets, window boxes, and as a ground cover in flower beds. It prefers a sunny to partially shaded location and well-drained soil. Regular watering is essential, especially during dry periods, to maintain its lush appearance. Deadheading spent flowers can encourage further blooming throughout the growing season.

Propagation

This plant can be propagated by seeds or cuttings. Seeds should be sown indoors 8-10 weeks before the last frost date and transplanted outdoors after the danger of frost has passed. Cuttings can be taken in late summer and rooted in a suitable growing medium.

Pests and Diseases

Lobelia erinus is generally resistant to pests and diseases, but it can occasionally be affected by aphids, slugs, and snails. Overwatering or poor drainage can lead to root rot and other fungal diseases.

Uses

In addition to its ornamental use, Lobelia erinus has been used in traditional medicine, although its use is less common today. The plant contains alkaloids that can be toxic if ingested in large quantities, so it should be handled with care.

Related Species

Lobelia erinus is part of the genus Lobelia, which includes several other species such as Lobelia cardinalis and Lobelia siphilitica. These species are also known for their attractive flowers and are used in similar horticultural applications.

Related Pages

• Campanulaceae
• Lobelia
• Lobelia cardinalis
• Lobelia siphilitica
• Flowering plant
• Gardening