When will the rape flowers bloom in Qianduo, Xinghua?

Xinghua Qianduo rape blossoms bloom from mid- to late March every year, and are expected to enter full bloom around March 23.

Every spring, the "Duotian" surrounded by water in Qianduo Scenic Area is covered with golden rapeseed flowers. The magnificent scenery of rapeseed flowers blooming all over the ground attracts many tourists. "There are thousands of bays in the river and plenty of clear water, and there is no field without yellow flowers." This is the true portrayal of cauliflower in the fields of Xinghua.

Rape flowers are annual herbaceous plants that are distributed in clusters. The stems are green and the flowers are yellow. The leaves are distributed at the base. The flowers of rape flowers are arranged in a cross shape and mostly bloom at the top of the stems. Distributed in the shape of a spike, its petals are oval, small in size, and lightly fragrant.

Rapeseed flowers are a tap-root crop with well-developed rhizomes that can penetrate deeply into the soil and grow more fine roots that spread out in all directions. Moreover, rapeseed flowers have strong cold tolerance and can be left in the open. It overwinters and has more pollen when it blooms. It is one of the common nectar plants.

Factors affecting the flowering of rapeseed flowers

The most significant factor affecting the flowering of rapeseed flowers is temperature. When the temperature is low, the flowering progress is slow and the flowering period is long; under high temperature conditions, the flowering speed is fast and the flowering period is long. short. It has been observed that the optimum temperature for flowering is between 14°C and 18°C. If the temperature is below 10°C, the number of flowers will be significantly reduced, and below 5°C there will generally be no flowering. A short period of low temperature will not have a serious impact on blooming flowers and young siliques, but if the low temperature lasts for a long time, fruiting will not occur.

The flowering time of rapeseed is 7-12 am every day, with the most blooming after 10 am. Under three different weather conditions: sunny, cloudy and cloudy, the average number of blooms reached 53.60% between 10 and 11 o'clock, and the unfolded petals gradually shrank and fell off after about 24 hours.