This article explains in detail the causes and treatment methods of yellowing and withering leaves of asparagus.

Asparagus is a kind of plant with beautiful plant shape and long life, which is usually called Zhu Jiao. As an indoor foliage plant, it can be said that it is at the top of the list. Asparagus leaves are sword-shaped, the color is very rich, there are white, bronze, pink, bright red and so on, hanging down the basin is very spectacular. If the asparagus tree is not properly maintained, it will also appear the phenomenon of yellow and dry leaves, what is the cause? How to treat it?

First, the reason why the leaves of asparagus are yellow and dry.

1. Lighting reasons

This is also the most common problem for many novice plant breeders. No matter what kind of flowers and plants, put them directly on the balcony, regardless of whether the plants like Yin or Yang, when the leaves are withered and yellowed, they do not know what the reason is. I only know that I clearly take good care of myself, and this should not happen.

It is understood that asparagus is a plant that likes light and warmth, so many people will ask that it is quite appropriate to put it on the balcony. This is true, but it should be noted that it likes the sun but is afraid of exposure to the sun, especially in the heat period, the leaves will be yellowed after exposure, and the leaf stem can not stand up.

2. Watering reason

It is winter now, the weather is cold, the temperature drops rapidly, and there is a certain temperature difference between day and night. If it is also in accordance with the usual amount of water, the leaves of asparagus will turn yellow, and the natural leaves will turn yellow after stagnant water and rotten roots.

3. Reasons for fertilization

Many people who raise potted plants will go to the florist to buy a well-configured nutrient solution and pour it directly into it, enjoying it, twice or three times at a time, only thinking of rapid growth, but they do not realize that too much fertilization will also cause the leaves to turn yellow and dry. Of course, this will also happen when there is a lack of fertilizer. Generally speaking, if you apply too much fertilizer, the leaves will appear yellow or brown, and if you apply too little fertilizer, the new leaves will show light green or yellowing.

4. Causes of diseases and insect pests

Any potted plant should control diseases and insect pests. If the leaves of asparagus trees are yellow, with spots, or wormholes, they are likely to be yellowed by diseases and insect pests.

Second, the treatment of yellowing and withering leaves of asparagus

1. Cure methods for yellowing of leaves caused by light: first of all, we should see whether the root is rotten. If there is decay, it should be cut off in time, the wound should also be treated well, and plant ash can be used for disinfection. After treatment, loosen the soil, water it properly and put it in a ventilated and cool place for a period of time, the new leaves will resume.

2. Treatment methods for yellowing leaves caused by watering: reduce the number of watering in winter, reduce the amount of water, and do not water too much in other seasons. You must wait until it is dry before watering the right amount. It is best to spray it from the side, not in the heart of the tree.

3. Treatment methods for yellowing leaves caused by fertilization: after a large amount of fertilization, it must be watered and diluted so as not to burn the roots. There are two principles of fertilization: diligent application and thin application. If you are short of fat, you should replenish your nutrients in time.

4. Treatment methods for yellowing leaves caused by diseases and insect pests: first of all, we need to understand what diseases and insect pests plants generally have and what symptoms they have, then they can be prevented or treated in time. The general pest of asparagus is the red spider, which often hides on the back of the leaves, so it is easy to deal with, we just catch it. It is generally not recommended to use chemicals, if you want to use, you can choose to add 800 times water, 20% trichloropropanol emulsion sprayed on the leaves.