Skip to main content

Why Guava Leaves Turning Yellow?

why guava leaves turning yellow

There are many factors why guava leaves turning yellow. It is not good seeing that some of the green leaves turn yellow especially when there is a lot. It can be control by caring for the tree or use so me treatment if there is something that causing for it to happen. Yellow leaves can affect trees growth. If is great if the guava tree will stays healthy because it can produce more flowers and fruits.

Why Guava Leaves Turning Yellow?

Lack Of Sunlight

Lacking of light coming from the sun can cause yellow leaves for guava tree. The tree needs enough sunlight in order for them to creates their own food. When the sunlight is not enough they will not grow well and growth is affected. The sunlight is very important so that the leaves of the tree becomes healthy and prevents for them to turn yellow. You can see a healthy tree with lots of green leaves when they are receiving enough light.

Lacking of sunlight can be prevented when the tree is planted in open area. An area where there are no big trees nearby or any kind of structures. Tall trees create a big shade which block the sun away from the tree. If that happen, everyday the tree will not gets enough sunshine which cause for a poor growth. Also other tall buildings can block the sun so its important to plant guava trees with little bit distance from them.

When the tree gets enough sunlight the leaves are growing well and rarely see yellow leaves. They will grow faster when there is a lot of sunlight. The guava tree is growing well in tropical and sub-tropical countries which they really loves sun. It will thrive well and produce lots of fruits sooner.

Lack Of Water

When the guava tree is lack of water it can suffer stress. The tree are stress because there are no water available that makes them cool and fresh. They need water because its important and they need it to grow. When the tree doesn’t get enough water some of its leaves might turn yellow. Some other things might happen are curling and drooping of the leaves and flowers and fruits are also affected.

If you are growing guava trees you need to give them enough water. Watering can be done every three to five days. They can grow and live without water for few days because they can retain water inside their bark and use it when needed, but they still need to get fresh water in order for them to grow. Enough water will prevents for the guava leaves to turn yellow.

If rainfall is abundant, watering is not needed. The rainfall is enough for the tree to supply water on their parts. Rain water is a good source and will make the tree fresh and cool. When the tree get lots of water, the leaves will grow green and prevents it to yellow.


Overwatering can also be a cause why guava leaves turning yellow. When there are lots of water on the soil, the roots of the tree can’t handle it. It will cause stress to the tree which may results of yellowing of leaves. More leaves might be affected and the growth of the tree may slow. Yellow leaves can’t process the sunlight and converts it into food compare to green guava leaves.

There are cases that there is a storm came or a heavy rain and it places the guava tree under the flood. If the flood didn’t subside immediately then it will makes the tree stress. The roots can’t handle lots of water, and since the roots are place under the water it can cause some damage into it. Root rot can happen if the roots stay under the water for few days. The best thing to do is to make a good drainage system which will help to prevents flood.

Lack Of Iron

Another reason why guava leaves turning yellow is because of lack of iron. Iron deficiency will happen if there is a little iron on the soil, because of that leaves of the guava tree may turn yellow. The best thing to do is to add some iron into the soil which may help the tree leaves to stays healthy and green.

Nematode Infestations

Nematodes can also affects guava tree roots and cause for the leaves to turn yellow. Nematodes can damage the roots and cause stress to the tree. When the tree is stress there are things that might happen. Some effects will show up like yellow leaves. Use nematicide as a treatment to prevent further damage.

Improper Fertilization

Improper fertilization can also cause yellow leaves to guava tree. When you over fertilize the tree especially the chemical one the roots are the first affected. It can damage the roots because of the chemicals coming from the fertilizer. And it started to affect other parts of the guava tree like leaves, flower and fruits. It is important to be careful in applying fertilizer or much better is use organic one.

There are organic fertilizers which are eco-friendly because they have no chemical content. They are derived from grasses, leaves, wood chips and some organic matters. Its helpful for the tree to grow well at the same time its safe for the people and animals. Another thing is when you put lots of organic fertilizer, there is a low chance that it will affect the tree in a bad way. This kind of fertilizer is improving the soil quality greatly.

If the growers are using chemical fertilizers, they need to becareful in feeding their tree. It is needed to prevent damaging the tree roots and other parts. Also if the fertilization will be successful, yellow leaves will be prevented and the guava tree will thrive well. Lots of guava fruits will grow bigger which lead to abundant harvest.

Damage Roots

There are many cause of damage roots on guava tree. Overwatered, floods, diseases, improper fertilization and other things can be the reason. If the guava roots are damage it can results for the guava leaves to turn yellow. Its because the roots are damage and its the main entrance where the water and nutrients go in. The tree cannot get enough nutrients when the roots are damage.

Its really important to be careful in watering to prevent root rot which can damage the roots. Also a good drainage is great to prevent flooding which makes the tree safer. When there are disease, fungicides can help to get rid of them. Also proper fertilization can prevent root damage.

Transplant Shock

Sometimes transplanting is not easy. There are times that after the seedling is transplanted to a new environment there are new issues that might happen like yellowing leaves. Yellow leaves might appear on the seedling after it is transplanted because it suffer transplant shock. The roots and the whole seedling is move and it is shock to the new environment. Maybe the weather on the place affects the tree, the kind of soil and how the tree is transfer to the new ground. Being careful to prevent cutting the roots is great to prevent transplant shock. The tree might recover after few days just give the tree enough water, putting some cover against the sun will also help and remove them after few days.

Age Leaves

Another reason why guava leaves turning yellow is because of age leaves. Aging leaves are normal for every vegetable, trees and any kinds of plants. It is part of their growth and its normal. You don’t need to worry if you see that some of the leaves on your guava tree are turning yellow. Its a cycle of their growth.

During the time that the guava seed is just germinating, a few leaves are grown on the seedling. The tiny green leaves appear and few roots grow. Those green leaves started to grow bigger and after few weeks or months, those leaves are getting old and change its color from green to yellow to brown until they drops on the ground. Its normal for the guava tree to have yellow leaves.

Why Are Guava Leaves Turning Red?

The guava tree might experience turning its leaves to red. Lack of nutrients can cause red leaves on the guava so giving them enough nutrients will help to prevent them. The leaves will grow healthy and color green instead of red when there are abundant nutrients found on the soil. Also some other reason like mites can also cause red leaves. Applying some treatment will help to get rid of pests.

Why Are Guava Leaves Turning White?

Powdery mildew can cause for guava leaves turning white. It is a fungal disease that affects the leaves. A treatment is needed to prevent any further damage on the tree. Fungicides will help to get rid of powdery mildew on the guava tree.

Why Are Guava Leaves Drooping?

A guava seedling might experience dropping of leaves when it is stress. Transplant shock can cause for the leaves to drop. Improper transplanting can happen which lead for the leaves to fall. Over watered can also cause for the leaves to drop. Pests and disease can also affect the tree. During the drought season, water is very important. The guava tree needs lot of water during that time because rainfall is not available. Too much heat can cause for the leaves to drop so giving them enough water will help them to stay cool.

Those are some informations about why guava leaves turning yellow. Some of the cause are age leaves, over and lack of water, pest, disease, transplant shock, improper fertilization, lack of iron, lack of sunlight and damage roots.