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

Asparagus, also known as dragon blood tree, mountain and kelp, and asparagus iron, is one of the more common potted flowers indoors. It is very dazzling in the sunlight or light, and is favored by flower friends, but if you want to raise a good asparagus successfully, it is necessary to avoid yellowing leaves. What about the yellowing of asparagus leaves? How to solve it?

Analysis of common causes of yellowing of asparagus leaves and treatment methods:

1. Overwatering

The watering principle of asparagus is to see dry and wet, and then water it after it is dry. Especially in winter, the amount of water should be reduced, and when watering, it should not be watered into the heart of the tree.

2. The direct sunlight is too strong

Asparagus likes warmth, fear of cold, light and fear of hot sun exposure. If the leaves are yellow and their shins are soft and cannot stand upright, look at whether they are rotten, and if they rot, 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 ventilated and cool place for a period of time, it will naturally grow new buds.

3. Insect pests

The main pest of asparagus tree is red spider, and there are dense small yellow spots and small yellow spots on the surface of the leaves. Spiders often hide in branches, the back of leaves or dense places, pull the net hidden, manual capture is relatively easy. If it is treated with chemicals, 20% trichloroacarol emulsion can be used to spray the solution by adding 8-1000 times of water.

Points for attention in the cultivation of asparagus tree:

The three seasons of spring, summer and autumn are the exuberant season for the growth of dragon blood tree. during this period, growers must fully meet its needs for water, nutrients and temperature to make it grow healthily.

1. Soil and fertilizer: the requirement of asparagus iron on soil is relatively high, and the cultivated soil with loose and fertile, good drainage and air permeability and rich in organic matter should be selected. It is usually mixed with 5 parts of garden soil, 3 parts of rotten leaf soil, 1 part of mature organic fertilizer and 1 part of river sand. Asparagus does not have a great demand for fertilizer, and compound fertilizer can be applied once or twice a month in the growing season.

2. Watering: asparagus is a sunny and shade-tolerant plant, which is usually watered for irrigation top watering to keep the soil moist.

3. Lighting: asparagus not only likes the warm, moist and sunny environment, but also can withstand shade. Of course, it is best to put the flowerpot on the southeast windowsill to fully accept the sunlight. Summer should be properly shaded, with a general illuminance of 40% to 50%.

4. Temperature: the most suitable temperature for the growth of asparagus iron is 20-28 degrees Celsius. If the summer temperature is higher than 32 degrees Celsius, or the winter temperature is less than 15 degrees Celsius, the tree will be dormant or semi-dormant.

5, pruning: asparagus leaves grow divergent, basically do not need pruning, just need to subtract the yellowing leaves in time, so as not to affect the beauty.

Time: 2019-04-12 Click: