Longchuanhua, also known as Yingshanhua, is native to southern China. I like high temperature, humid and sunny environment, not cold-resistant, semi-cloudy, rich in humus, loose and fertile acidic soil, and the temperature in winter is not lower than 0 degrees Celsius.
Propagation: mainly through sowing and cutting propagation. Sowing, collecting seeds in winter, sowing in the next spring, sprouting 20-25 days after sowing, and transplanting when 3-4 pairs of leaves grow. Cutting can be carried out in May 5- 10/0, and June-July is the best. Select semi-lignified branches with the length of 10- 15 cm, and insert them into the sand bed for rooting after 40-50 days.
Cultivation: Dragon boat flowers should be planted in deep soil and sunny places. Potted plants should be replaced 1 time every two years, and trimmed, and diseased branches and weak branches should be cut off. Fertilize 1 time every month during the growth period. When planting seedlings, when the height of the seedlings is 30 cm, it is necessary to pick the heart and promote multi-lateral branches. Pay attention to stay away from cold in winter.
Pests and diseases: leaf spot and anthracnose often occur, which can be sprayed with 10% antibacterial agent 40 1 acetic acid solution 1000 times. Insects are harmful to scale insects, and can be sprayed with turpentine mixture of 10 times.
Application: Dragon boat flower has beautiful plant shape, dense flowering period, rich colors and long flowering period. Southern planting is suitable for the layout of courtyards, hotels and scenic spots. Potted plants are especially suitable for windowsills, balconies and guest rooms.