Why Did My Aloe Leaves Turn Yellow?

It’s a devastating experience to watch your aloe plant turning yellow. It could occur to any aloe vera plant. Aloe leaves turn yellow due to a variety of reasons. This article will discuss the reasons and remedies for the aloe vera that is yellowing.

Insufficient or excessive water, nutrients, and water deficiency are the main causes of the aloe turning yellow. When the root system is decaying and need to be replaced, repotting is your only solution. Only water when the top 2 inches of soil is dry. In the spring, fertilize the soil with the liquid mix for houseplants.

Excess Watering Promotes Fungal Growth

Aloe vera that is overwatered keeps the potting soil moist for the majority of the time. The moist soil encourages root rot.

The problem with root decay is that it is initially unnoticeable. If the root begins to rot the aloe vera begins to show signs of becoming yellow.

The roots that are rotting can’t absorb nutrients, which causes the leaves to turn yellow.

Aloe Leaf Dries Out And Yellows Due to Lack Of Watering

Aloe vera plants can last for a period of time without water. This doesn’t mean that you should not drink water.

What happens is the consequence if you don’t have water for a long period of time and you don’t water for a long time? The soil gets dry and roots are unable to take in food.

The most essential elements of plants are soluble within soil water.

Without water, plants is unable to absorb the nutrients. Therefore, your aloe vera displays signs of becoming yellow.

So, How Do You Water An Aloe Vera Plant?

This is a standard method of finding the water requirements for houseplants. In aloe vera,

  • Then, you need to loosen the upper layer of earth, then dry it out 2 to 3 inches.
  • You can then fill it with water without causing the risk of flooding. It is essential that any excess water drains out of the pot.
  • Every ten days, water once. Reduce the frequency of watering in winter.
  • Remember that young plants require more water than mature plants.
  • Remember that the frequency of irrigation is related to the intensity of lighting, humidity and the size of the plant.

Aloe Plants Turn Yellow Due to Nutrient Deficiency

The presence of nitrogen deficiency can be seen in the aloe becoming pale or green. It is also possible to notice yellowing of sharp tips of the leaves and thinner leaf plates.

In the aloe plant the amount of chlorophyll is proportional to nitrogen content. If there is a shortage of nitrogen, there will be less chlorophyll, and eventually, the leaves turn yellow.

One use of your liquid succulent fertiliser during the early spring time is all that’s needed to satisfy the nutrient requirements of your aloe.

Important! After transplanting, you must wait for six months before fertilizing aloe. The new soil provides nutrients to it, and the young plants do not require fertilizer.

aloe vera close up

Aloe Turning Yellow Due to Diseases

Root rot is a disease that has the potential to cause death to the plants you have before they even have the chance to save the plant. However, there are ways to protect your plant from root rot, if you notice it before it’s too far too late.

The excess moisture in the soil of the potting, or excessive watering, is the main reason for Phytophthora the growth of fungi. The fungus causes rot in roots, which stops the aloe from absorbing water and nutrients.

In the end, the whole plant suffers from a shortage of nutrients and other essential supplies needed to function.

Here are some signs of root rot in aloe vera:

  • The leaves thin out appear swollen, and then wither.
  • The color changes from a vibrant and green, to yellow.
  • The stem of aloe appears fragile and thin, and easily snaps off from the bottom.
  • The soil inside the pot starts to stink bad.
  • The plant’s growth is slowed.

Here’s a guide on how to protect your aloe vera plant from root decay.

If the aloe is suffering from dried rot on it, then the appearance may be different. The disease is rapidly spreading. Most of the time, the plant is killed.

At first it is just the edges of the medium-sized leaves are dry and begin to change color to yellow. Following drying, and cure, the leaf begins to die.

The disease can spread from leaf to leaf. There’s nothing you can do. The fungus destroys the aloe inside, drying it out. Only the process of propagation will keep the plant from drying out. decay.

Aloe Turns Yellow Due to Insect Infestation

The biggest threat to the indoor aloe plant is pests. Every now and then, pests will attack your plants. They can not only cause damage, but also decimate the green areas of your plants. In the process, the leaves of aloe turn yellow.

Spider mite

If you notice algae plants that are yellowing and dead leaf spots, this is evidence that the plant has been being attacked by spider mites.

Dead spots will join and cause the leaves to turn yellow. The leaves will slowly be affected. In such a small size of just 1 millimeter the insect can cause many damages.

They form an enclave on the leaf’s underside. The insect then sucks its delicate juice, and then eliminates the plant.

If the yellow hue turns brown, then the leaf will die. It is imperative to act quickly:

  • Move the plant away from other plants, separating it and prevents infection
  • Treat the leaves of the plant treat the leaves of the plant with insecticidal soap or Neem Oil which is designed to fight insects;
  • Repeat the treatment for every leaf twice, in a period of five days.


It is important to do this outdoors, on the patio or an outdoor area. The soap that kills insects isn’t as harmful like chemical insecticides. However, it could cause irritation to the eyes and your skin. Therefore, wearing glasses and gloves that are protected will protect you from potential effects from the pesticide.

Alongside the durable and, effective pesticides, you could also make your own recipes. It is possible to make an simple and easy pesticide with onion peel and laundry soap.

Mix them up and then carefully clean each leaf on the plant. Cost-effective, simple and secure method to combat plant-insects.

The impact of scale insects

The scale insect appears as tiny bumps on the leaf or stem of the plant. They form a colony and then sucks the juice. This deprives aloe leaves of their growth and development.

The leaves of the affected areas are drying out. If there are severe lesions, the leaves change to yellow, and then dark reddish. Later, brown spots show up on the leaves. Then , the leaf begins to die off.

It is imperative to isolate the plant from the other plants. Carefully treat the area where it was, as well as the plant itself, with the tincture of garlic.

It is possible to use alcohol-based solutions to clean the leaves along with the entire plant. This can help protect your plants from insects.


It is also possible to notice that the plant’s aloe leaves have yellow tips. The plant appears to be covered in wax pieces.

You can be certain that you will be able to recognize the presence of mealybug. The areas affected by the pest will begin to decay because of an absence of oxygen.


Mealybug does not like moisture. Therefore, it’s sometimes enough for the plant to be treated using specific alcohol formulations or apple vinegar to keep it under control. Make sure to use it with care so that you don’t burn the aloe.

After thoroughly wiping each centimeter of the succulent it is necessary to place it in the shade for a couple of days.

This increases the chance of eliminating the mealybug. Within 10 days , you must repeat the procedure 3 times with normal wet wipes.

Temperature Fluctuation Causes Aloe Vera Physiological Problems

Aloe Vera is a fan of temperatures between 50 to 80 degrees Fahrenheit. However, sudden temperature fluctuations interfere with the normal physiological processes, which causes the aloe to turn yellow.

If temperatures drop below 50 degrees F, aloe vera can be stressed by changing hue.

However, aloe gets hotter and turns a different hue as a result of exposure to sunlight for an extended period (more than three hours) in the heat of summer (above 80 degrees Fahrenheit).

How To Prevent Insects

Today, the control of pests and diseases is much easier than combating them and their effects. To safeguard your plants, it is enough to keep an eye on them, and observe every change.

Also, be aware of the precautions to take when installing a new indoor plant close to it. Transplant fertilize, treat and transplant when it is appropriate. Make sure to supply filtered water at the right time and don’t override the plant’s temperature preference.

It is essential to follow these guidelines when taking care of the aloe vera plant:

  1. If you’re using old pots to transplantation, make sure you clean them using disinfectants.
  2. If you are attempting to pull out new branches, be sure that you choose a bigger container. To ensure that the roots are able to accommodate expansion.
  3. If you are planning to plant garden soil, it is best to warm it in the oven or mix it into boiling water to kill insects.
  4. Cleanse the leaves of aloe every week and examine the stem. You will not only be able to spot warning signs early and avoid them, but you will also be able to stop the spread of disease and insects.

A healthy, strong aloe plant is able to withstand stresses and diseases. It is possible to keep your plant healthy simply by taking good care of it.

If you take care of it, and monitor the health of your soil and ensuring that it is in good condition the aloe vera plant will be a delight throughout the year.

How to Keep Your Aloe Healthy And Happy

If you don’t wish to see your aloe turn yellow, it is important to adhere to the guidelines. Here are some of the most common methods to ensure that your aloe vera is healthy and happy

  • Aloe requires adequate lighting So, you must place it on the east or south windowsill and shaded from direct sunlight.
  • It is possible to use clay and plastic pots for the aloe vera plant. ensure that the pot is big enough to accommodate the horizontal and vertical root growth.
  • You should water your aloe vera as the soil in your potting pot is dry around the edges of your pot. Use your fingers to test the soil’s moisture. Always use water that is settled at the temperature of room.
  • The potting mix should be fluid and full of nutrients for plants, and also have an air-permeability of at least.
  • If your plant’s aloe is less than five years old age, you should consider transferring it every year in the spring.
  • It is recommended to apply fertilizer during an active growth phase. The winter months are the time of rest for aloe, therefore don’t apply fertilizer during this time.
  • Don’t let dust get over the leaf. It could disrupt the process of photosynthesis. Clean the leaves regularly with an enveloping cloth.
  • Spray the leaves during summer to aid in maintaining its temperature.
  • Check your aloe vera every week to identify any illness or insect infestation. If you spot any, you must take the appropriate action like I have described above.

Final Words

Aloe vera is not averse to small care errors. However, if you do not follow its needs, then your aloe’s immunity will diminish to pests and diseases.

This is why it can change color from brown to yellow. If you adhere to the guidelines above, you will be able to take pleasure in the beauty of it and benefit from its healing properties. (Source: Cooperative Extension; The University of Arizona)



Went from a bad gardener to a half-decent one over 10+ years. Super happy to share my tips and tricks with you :)