Tagetes patula

French marigold Tagetes patula

Tagetes patula MHNT.BOT.2007.43.30

French marigold garden 2009 G1

Tagetes patula, commonly known as the French marigold, is a species of flowering plant in the daisy family Asteraceae. It is native to Mexico and Guatemala, but it has become naturalized in many other regions around the world.

Description

Tagetes patula is an annual plant that typically grows to a height of 20-30 cm (8-12 inches). The plant has pinnate leaves and produces flowers that are usually yellow, orange, or red, often with maroon highlights. The flowers are hermaphroditic, containing both male and female organs, and are pollinated by insects.

Cultivation

French marigolds are popular in gardening and landscaping due to their vibrant colors and ease of growth. They prefer well-drained soil and full sun but can tolerate partial shade. The plant is often used in companion planting because it is believed to repel certain pests such as nematodes.

Uses

Ornamental

Tagetes patula is widely grown as an ornamental plant in gardens and parks. Its bright flowers make it a popular choice for flower beds, borders, and containers.

Medicinal

In traditional medicine, extracts from the plant have been used for their antibacterial and antifungal properties. However, scientific evidence supporting these uses is limited.

Culinary

The petals of Tagetes patula are sometimes used as a culinary herb in various dishes, adding both color and flavor.

Pests and Diseases

French marigolds are generally resistant to many common garden pests and diseases. However, they can be affected by aphids, spider mites, and powdery mildew.

Related Species

• Tagetes erecta (African marigold)
• Tagetes tenuifolia (Signet marigold)

See Also

• Companion planting
• Asteraceae
• Annual plant