What if the leaves of asparagus turn yellow? How to solve it?

Dragon beard tree, also known as dragon blood tree, mountain kelp, dragon beard iron, is one of the more common potted flowers indoors, it is very dazzling under the sunlight or light irradiation, quite popular with flower friends, but want to successfully cultivate good dragon beard tree, we must avoid yellowing leaves, then dragon beard tree leaves yellowing how to do? How?

Common causes of yellow leaves of dragon beard tree analysis and treatment methods:

1. Too much watering

The watering principle of dragon beard tree is to see dry and wet, and then water it after drying. In winter, especially to reduce the amount of watering, and watering time can not be poured into the heart of the tree.

2. Direct sunlight is too strong

Dragon beard tree likes warm, afraid of cold, like light and afraid of the sun exposure. If the leaves are yellow and their legs are too weak to stand upright, check to see if they are rotten, and if they are rotten, cut them off and clean them up in time. Then turn over the soil, pour the right amount of water, put the plant in a cool and ventilated place for a period of time, and new shoots will naturally grow.

3. Pests

The main pest of dragon beard tree is red spider, and the surface of leaves appears dense small yellow spots and small yellow spots. Spiders often hide on the back of branches and leaves or in dense places, pulling nets hidden, artificial capture is easier. If chemical agents are used for treatment, 20% dicofol emulsion can be used, and 800-1000 times water can be added to make a solution for spraying.

Notes on cultivation of dragon beard tree:

Spring, summer and autumn are the vigorous seasons for dragon blood tree growth. During this period, growers must fully meet its needs for water, nutrients and temperature to make it grow healthily.

1. Soil and fertilizer: Dragon beard iron has higher requirements for soil, so it should choose loose fertile, well-drained and well-ventilated culture soil rich in organic matter. Usually 5 parts of garden soil, 3 parts of rotten leaf soil, 1 part of decomposed organic fertilizer and 1 part of river sand are mixed and prepared. The demand for fertilizer is not very large, and compound fertilizer can be applied once or twice a month during the growing season.

2. Watering: Dragon beard tree is a plant that likes yang and bears shade. It can be watered at ordinary times to keep the soil moist.

3, light: dragon iron dragon tree both likes warm and humid and sunny environment, but also can withstand shade. Of course, it is best to put the flowerpot on the windowsill in the southeast direction so that it can fully receive the sunlight. Summer to appropriate shade, general illumination of 40% to 50% can be.

4, temperature: the most suitable growth temperature of dragon beard iron is 20-28 degrees Celsius, if the summer high temperature, the temperature exceeds 32 degrees Celsius, or the winter temperature is lower than 15 degrees Celsius, dragon beard tree will be dormant or semi-dormant state.

5, pruning: dragon beard tree leaves grow divergent shape, basically do not need to trim, just need to timely yellow leaves can be subtracted, in order to prevent the impact of beauty.