Senior Agronomist
Calendula is a biennial herb of the Asteraceae family, and the entire plant is covered with hair.
The leaves are alternate and oblong.
The flowers are yellow or orange, the flowering period is from April to September, and the fruiting period is from June to October.
Farmland for planting marigolds should choose soil with deep, loose soil and good drainage and air permeability. Melons, corn, and beans are suitable for the first crop.
Calendula is native to Europe. Now it is widely cultivated in gardens and used in potted ornamental plants and flower beds. It has become one of the important herbaceous flowers in China.
Alternative names:
Calendula, calendula, calendula, longevity chrysanthemum, sobering flower.
Growth habits:
Calendula likes to grow in a mild and cool climate, and is afraid of heat and cold. It requires sufficient light or slight shade, loose, well-drained, and moderately fertile soil. soil quality.
Pests and diseases control:
Marigolds often suffer from fusarium wilt and downy mildew, which can be controlled by spraying with 500 times of 65% zinc WP; the flowering period in early spring is prone to redness. Spiders and aphids can be sprayed with 40% omethoate EC 1000 times to kill them.
Main value:
Calendula is one of the most common herbaceous flowers in gardens and cities in early spring.
In the ancient West, calendula was generally used as a dye; now it can also be used as a cosmetic raw material or food. Its leaves and petals are edible and can be used as a decoration for dishes.