If you don't know the reason why the potted leaves turn yellow, you are embarrassed to call yourself a gardener.

The potted flowers on the balcony often appear the phenomenon of leaf yellowing during the growing period.

For this reason, there are many. And complicated. Because some of the leaf yellowing phenomenon is caused by one reason, and some are caused by a variety of reasons.

So, grow on the balcony, see more, ask more, learn more, study more, try more and sum up more. It must be right!

Careful observation, together for comparison, will find that potted flowers appear "yellowing" degree, color, edge state are different.

This is more interesting and worth studying.

Since the state is different, it shows that the causes of their symptoms are also different. In this article, let's analyze and analyze the possibilities of yellowing the leaves of potted flowers.

Analysis of yellowing of leaves of potted flowers

(1) Water yellow

The yellow leaves caused by long-term overwatering showed that the young leaves were dark yellow without luster, the old leaves had no obvious change, the branches were small yellow-green, and the new shoots shrunk not long.

Prevention and control methods: should be controlled watering, heavy can be removed from the basin, put in a cool place to dry the soil ball and then re-basin.

(2) dry yellow

Due to lack of water or less watering, the leaves turn yellow or brown, brown edges, the old leaves wither and fall off from the bottom up, but the new leaves generally grow normally.

Prevention and control methods: the amount of water and times of watering should be increased appropriately.

(3) fat yellow

Due to excessive fertilization or excessive concentration, the new leaf tip appears dry brown, the old leaf dry tip scorched yellow shedding, although the general leaf surface is thick and shiny, but most of them are uneven.

Prevention and control method: should stop fertilizing or washing fertilizer with clean water.

(4) lack of fertilizer

Yellow potted flowers only water for a long time without fertilization, or do not change pots for many years, the roots must form a mass, topdressing is easy to leak, the plant does not get fertilizer, and the leaves are yellow.

Prevention and cure method: change the basin in time, at the same time, usually apply thin fertilizer frequently, you can overcome this malpractice.

(5) Burning yellow

Like wet potted flowers and foliage plants, such as orchid, evergreen, one-leaf orchid, hairpin, leopard taro, etc., such as the strong direct sunlight, the leaves often appear yellow tip, brown edge phenomenon.

Prevention and treatment: there is no such malpractice in the shade.

(6) Alkali yellow

Flowers that like acidic soil, such as rhododendron, gardenia, camellia, jasmine, sweet-scented osmanthus, magnolia, etc., such as potted soil or alkaline water quality, often cause leaves to change from green to yellow, or even fall off.

Control method: in addition to cultivation with acid culture soil, alum fertilizer can be applied or 0.2%-0.5% ferrous sulfate solution can be sprayed to make the leaves green.

(7) damp-hot yellow

Some flowers that are not tolerant of high humidity and high temperature cause yellow leaves due to hot summer, poor ventilation and improper shading. Such as hanging upside down Admiralty, cuckoo in the hot and humid environment has this phenomenon.

Prevention and control methods: pay attention to ventilation and cooling, and the basin soil can not be too wet.

(8) Albino yellow

Due to the lack of light for a long time, the chlorophyll in the leaves decreases, which makes the leaves green disappear gradually, showing albinism.

Control method: the albino yellow leaves can be turned green by moving the plant to a place with sufficient light.

(9) low temperature yellow

In the cold winter, such as the indoor temperature is too low, some flowers that are afraid of cold, such as Magnolia, Guangdong evergreen, poinsettia and so on, the leaves will turn yellow, or even fall off.

Prevention and treatment: add plastic film to prevent freezing.

(10) other

In addition, flowers harmed by diseases and insect pests can also cause yellow leaves to fall off.

Well, if only a few leaves turn yellow and fall off in the lower part of the plant, it is a normal phenomenon of leaf maturation and aging.

Therefore, in the process of conservation, we must observe carefully and analyze the causes in order to prevent and control the physiological phenomenon of yellowing of potted flower leaves.

The director added that this article needs to understand the text carefully, and do not take the picture as the standard. The picture has chromatic aberration, but also can not be prepared to show a variety of potted flowers "yellowing" phenomenon.

Planted on the balcony.

All right, that's all for today. If you have any questions, please leave a message in the message area below.

I don't know if what the station director said was clear and detailed. For those Taiwanese who do not understand it, the director has written a hidden poem for you. It may not be well written, but it can help you find the director.

More wonderful articles are found in a Tibetan head poem:

The breeze caresses the flowers

Wander through Nanshanyang

Sou Qi Qiao Bronze Sparrow platform

Plant red plants on the green clouds

-- to challenge: four poems with hidden head and tail, the first word is connected with the last word, you can get the eight-character motto and summon the head of the stage to be real! Remember to say when you come: "Director, I have cracked your secret."

There is no end to learning on the balcony.