Qionghua is the flower of Yangzhou. Yangzhou people have a soft spot for Qionghua. Although the original work is no longer there, people in Yangzhou regard a flower called Chrysanthemum Eight Immortals as Qionghua, which is carefully cultivated and cared for as a city flower. There is a Qionghua in daming temple, Yangzhou, which was planted in Kangxi period of Qing Dynasty, and has a history of more than 300 years.
Qionghua is also the city flower of Kunshan. Lin Ting Park, which is famous for planting Qionghua, has become a must for tourists. Among them, the largest Qiongshu has a history of 350 years and is the best Qionghua.
cultivation techniques
After planting, water should be poured enough, and the soil should be kept moist during the growing period. Water the leaves every day in summer and spray water 2-3 times to increase the air humidity. It should not be too wet during flowering to prevent buds and flowers from falling.
Water should be controlled during wintering. When the weather gets warmer in spring, go out of the room and put it in a sheltered and sunny place. In summer, if the light is strong, it should be moved to a ventilated and cool place, or shading measures should be taken. The suitable growth temperature is 20-25℃, and the northern part of China can overwinter in the shed in June 5438+ 10, and the temperature can be kept at 5-8℃. Leave the room after heating in spring, afraid of high temperature, and take measures to shade and cool down.
When potted, change the culture soil 1 time at the end of autumn every year. The culture soil is composed of 5 parts humus soil, 3 parts garden soil, 1 part compost and 1 part river sand. Fertilization of Qionghua is relatively simple, and the following two points should be mastered: First, sufficient decomposed organic fertilizer should be applied when planting. 2. After survival, apply 1 times pancake fertilizer in summer and autumn respectively; Topdressing 1-2 times a month in the growing season; Liquid fertilizer with phosphorus as the main component was added at bud stage 1-2 times. High temperature in midsummer is not suitable for fertilization, so pay attention to watering.