Marigold, which means auspiciousness, has long been regarded as a flower to respect the elderly. Marigold belongs to Panicum and is a common garden flower. It blooms from July to September, and the suitable temperature for flowering is 18-20℃, not lower than 5℃ in winter and above 30℃ in summer. It usually blooms around 3 pm. However, different climates in different regions will lead to different flowering times.

Marigold is a light-proof plant, which can withstand high temperature. Adequate sunshine is very beneficial to the growth of marigold. The plants are short, strong and colorful. Insufficient sunshine, soft and slender stems and leaves, few and small flowers. Marigold is usually planted in spring. Because of its large flowers and long flowering period, it is often used in flower bed scenery.