Cultivation methods of Prunus mume

Tiger thorn plum also known as iron begonia, unicorn thorn, unicorn flower, originated in Madagascar, Africa. Like warm, humid and sunny environment. It is resistant to high temperature and cold. The rotten leaf soil with loose and good drainage is the best. The winter temperature is not lower than 12 ℃. Pots should be changed every spring and should not be watered too much. Summer and autumn growth needs sufficient water for a long time, fertilizing once a month. When the temperature is low in winter, the leaves fall off and enter the dormant period, the basin soil should be kept dry. During the flowering period from March to December, the flowers can bloom continuously when the soil moisture is kept moderate. If the room temperature is above 15 ℃ in winter, the flowers can continue to bloom. When the growth of the plant is too crowded and dense, the whole plant can be pruned before new leaves germinate in spring.

The tiger thorn plum is special in nature and grows slowly, growing only about 10 centimeters a year, but it has a long life, and the potted plant can live for more than 30 years. The flowering period is long, if the light and temperature are suitable, it can open all the year round. The branches of Prunus mume are not easy to branch, grow very long, blossom less, and their posture is messy, affecting ornamental, so they must be pruned and pointed in time every year to make them send out more new branches and blossom more. Generally, two new branches can be produced after picking off the tip. Prunus przewalskii has developed root system and exuberant growth, which can be used as the rootstock of grafting fairy finger and crab claw orchid, but it belongs to shallow root system, which walks far away, but there is not much root hair.

Chimonanthus przewalskii likes warmth and is not resistant to cold. It grows best at about 22 ℃ in daytime and 15 ℃ at night. It keeps 15 ℃ to 20 ℃ in greenhouse and blossoms all the year round. If it falls to 10 ℃, the fallen leaves turn into semi-dormant state, reveal new leaves in the next spring and continue to blossom. Tiger thorn plum Xiguang, the more abundant sunshine before the flower, the more bright flowers, long-lasting, lack of light, then the color is dim, long-term shade, then do not blossom. Attention should also be paid to maintaining good ventilation. Chimonanthus przewalskii can use cultivated soil to pad hoof horn as base fertilizer, fertilize once every half a month during the growing period, stop fertilizing after autumn, avoid using fertilizer with oil to prevent root rot. Tiger thorn plum is resistant to drought, and watering in spring and autumn should be dry and wet. Can be watered once a day in summer, waterproof in rainy season, not dry and watered in winter, the basin should not be moist for a long time; the flowering period should also be controlled, the water is easy to cause falling flowers and rotting roots.

The main occurrence of stem blight and rot disease harm, with 50% gram carbendan 800 times liquid, sprayed once a semimonthly. Insect pests are harmful to whiteflies and scale insects, which are sprayed with 1500 times of 50% fenitrothion EC.