Marigold, also known as: stinky hibiscus, marigold, honeycomb chrysanthemum, chrysanthemum, scorpion chrysanthemum, etc. Marigolds in the Asteraceae family are annual herbaceous plants. Flowering period varies with region. In Shanxi, it is generally from July to early November until the frost.

Native to Mexico, it is cultivated all over China.
Ornamental value:
It has a long flowering period and strong adaptability, and is a common landscaping flower. The flowers are large and colorful, and are often used to decorate flower beds, spread the flowers, arrange flower clusters, flower landscapes and cultivate flower hedges. It is often potted or used as a cut flower. It also has edible and medicinal value.
Introduction to common varieties
(1) Inca (nca) flowers early, beautiful leaves, dark green color, plant height of 35 cm, heavy petals. The flowers are orange, yellow, and gold.
(2) Antigua (antigua) plant type is neat, the height of the plant is generally 25 to 30 cm, all the flowers are heavy petals, the amount of flowers is rich, and there are four kinds of flower colors: golden, orange, yellow, and light yellow. Flowering occurs 65 to 70 days after sowing.
(3) Discovery plant type plump, plant is not high, generally 15 to 20 cm tall, heavy petals, long flower period, rich flower color, orange and yellow, strong branching, suitable for potted and flower bed planting, heat resistance and lodging resistance.
(4) Medallion (medallion) Plant height 15 ~ 22 cm.
(5) The height of the crush plant is 25 to 30 cm.
Common varieties of the same genus as marigolds include:
(1) Peacock grass (t.patula) is also known as: red and yellow chrysanthemum. Flower types include single-petal type, heavy petal type, cockscomb type and so on. Flowering occurs 48 days after sowing.
(2) T.tenuifolia is an annual herb with a plant height of 30 to 60 cm. There are dwarf variants that are 20 to 30 cm tall.
(3) The stem height of the small species marigold (t.lucida) is 30 to 50 cm.
The image comes from the Internet.