When does rapeseed flower bloom?

Article Catalog

1. Flowering period

2. Flowering time in different regions

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Rape flowers begin to bloom around March and April every year. The flowering time will also vary from year to year. Flowering usually begins three months after planting, and the flowering period lasts about thirty days. Affected by longitude, latitude, altitude, etc., rapeseed flowers bloom from the end of December every year to the end of April next year.

1. Flowering period

1. Flowering period

It begins to bloom around March and April every year. But in some places it's early and in other places it's later. The flowering time will also vary from year to year. Generally, rapeseed flowers begin to bloom three months after planting. Its flowering period lasts approximately thirty days. There are many factors that affect the sooner or later it blooms.

First of all, it is the temperature factor. The faster the temperature rises, the earlier the flowering time will be. Under normal circumstances, it will start to flower as early as the end of February, and the flowering will be most vigorous in mid-March. It will wither from about the end of March to before the Qingming Festival. But if there is persistent low temperature in spring, rapeseed may not bloom until mid-March.

2. Flowering time in different regions

1. Longitude and latitude factors

Rapeseed flowers are widely distributed in my country. Therefore, according to the different planting areas, differences in dimensions and land and sea locations, rapeseed flowers are divided into spring rapeseed and winter rapeseed. There are two major areas of rapeseed. Therefore, during the flowering time, which generally lasts from the end of December each year to the end of April next year, rapeseed flowers can be seen in different places.

In the southern part of Taiwan, you can see the flower blooming at the end of December, and the flowering period will be earlier in the warm winter. Rapeseed flowers mainly bloom in Yunnan, Guangdong and Guangxi from January to February. In March and April, the Sichuan Basin and areas north of Wuyi Mountain enter the flowering period.

2. Vertical height factor

< p>Altitude also has varying degrees of influence on its flowering. This factor is particularly obvious in the western region of my country. Flowers in river valleys enter their flowering period every July and August. However, due to the existence of the Qinghai-Tibet Plateau, the situation has changed somewhat. The cold in the north and the warm in the south have become hot in the north and cold in the south. Therefore, the Junggar Basin blooms in June, while Tibet and Qinghai only bloom in July and August. open phenomenon.

2. Flowering time in different regions

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