When will the rape blossom?

Rape flowers usually bloom in March and April of the solar calendar every year.

Affected by latitude and longitude, height and so on, rape flowers will bloom from the end of1February to the end of April of the following year. Rape flowers generally begin to bloom after three months of planting. When the rape blossoms are beautiful, it will form a "sea of rape blossoms" with high ornamental value. Some places will hold rape flower festivals for people to visit.

Rape flower, also known as Brassica, originated in Europe and Central Asia, and belongs to the genus Panicum in Cruciferae. In China, rape flowers are mainly distributed in ten thousand mu terraces of Wuling and Wuyuan in Jiangxi, Hanzhong Basin and Jiangling, Luoping Plain in Yunnan and Menyuan Plateau in Qinghai.

Rape flower has four petals, neatly surrounding the stamens, and its personality is simple. Petals are so delicate and delicate that no skilled sculptor can carve them. The flowers in the middle bend together, as if whispering. It has tough roots and dense leaves, and it is as simple and rough as the farmers who grow them.

Matters needing attention in rape flower planting

1, to prevent frostbite

The temperature has just started to rise in spring, which is unstable and may be cold in late spring. When planting rape flowers, you should check the weather forecast in advance, and complete the planting when the weather is fine to avoid the cold current attack and freeze the seedlings.

2, reasonable watering

Rape flowers need a lot of water during bolting in spring, so they should be replenished frequently. In the process of irrigation, we must ensure that the soil is completely soaked and wet, and it is not suitable for irrigation, otherwise it will lead to water accumulation in the roots and lead to waterlogging and rotten roots.

3. Topdressing

If you plant rape flowers in spring, you should apply fertilizer again. At this time, rape flowers are in bud stage and begin to change from vegetative growth to reproductive growth. It is necessary to apply compound fertilizer rich in nitrogen, phosphorus and potassium. When applying fertilizer, it is best to apply it in furrows between rows. Generally, the depth of the border is 10 cm, and the width is 20 cm, so there is no need for acupoint fertilization.

4. Prevention and treatment of diseases

Spring is the high incidence season of rape flower diseases, and the common diseases are white rust. In order to prevent diseases, we should choose varieties with strong disease resistance, strengthen cultivation management, pay attention to ditch cleaning and drainage, do a good job in rural cleaning, thoroughly remove sick and disabled people, and spray 75% chlorothalonil wettable powder at the initial stage of the disease.