hoya leaves turning yellow

Why Are My Hoya Leaves Turning Yellow (And How to Fix It)

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It isn’t difficult to understand why Hoyas are so popular with such beautiful foliages and flowering. These plants (Hoya carnosa) are usually called wax plants, as their leaves and flowers look like wax. While they are easy to look after in general, they are vulnerable to some common problems in the home.

Plants with rich green leaves shine your day and embellish your world, from living rooms to landscapes. But often plant leaves turn yellow, despite your best efforts. Today leaves or specks on the plant may be discolored due to too much sun or some infections. These risks should be minimized to a minimum by due treatment. It could also be a victim of overwatering.

This article will help you find out why your Hoya leaves turn yellow and how to restore your plant’s health.

Common Problems That Affect Hoyas

Before we get started with the problem and solution part of  Hoya Leaves Turning Yellow, let’s learn about some other problems that may affect the Hoyas. 

Mealy Bug

Mealybugs are tiny, white mealy insects; some have white hair attached to their bodies. The bugs are fed to vegetables by sucking. Mealybugs excrete the honeydew which the ants want to provide on is a hot material. The leaf axils tend to have a new growth distorted by a white powder. The vulnerabilities will be revealed by closer inspection.


Tiny, soft insects, typically 2 to 4 mm in length are Aphids. Small. In young shooting and bloom buds or below older leaves, aphids also cluster. The color ranges from gross to yellow and black in several different species of aphids.

Aphids invade fruit trees, roses, camellias, ornamental Chrysanthemum, and many vegetables. Aphids also spread infectious diseases like wild beans. Buds do not open, and leaves are distorted and twisted. New growth can be slowed down. Usually, the removal of the honeydew source solves the issue of sooty mould.

Spider Mites

A widespread greenhouse phenomenon is spider mites. Everyone who cultivates tomatoes may have met a spider mite over the years. They are small acrid that feed on your plant’s seeds through their mouthpieces in the vascular tissue. Unlike Size, it does not have a waxy layer to cover itself, but it spins delicate webs which can form microhabitats that repel liquids.

Sooty Mould

Sooty mould is a common problem with Hoya collectors Sooty mould grows on sweet, sappy residues left on your plants. They can be a result of your sweet Hoya nectar dripping on the leaves or a more severe indication of infestation by a sap-sucking bug.

However, it comes about; treatment is straightforward. All you have to do is wipe it off with a damp cloth, before spraying with a weak Seaweed Extract Fertiliser.

Reasons Your Hoya Leaves Turning Yellow

Now, as we know about some other widespread problems that your Hoyas may face, let’s get it started with the turning yellow issues. We will discuss the problems in this section. You will get all the solutions in the very next paragraph. 

  • Water issue

The water you are using to water your Hoyas can make a significant difference. You have to make sure your hoyas are only getting filtered water. The results of harmful medications won’t be apparent overnight. It will build up and build up over time. Decode of the foil occurs due to the inhibition of photosynthesis by chemicals. Photosynthesis is a critical mechanism for the plant as it produces its food.

  • Temperature affect

While some of them can withstand short exposed cooler temperatures, most hoyas cannot tolerate constant temperatures below 50°F (10°C). If you put your Hoya next to a drafty window or when the cool autumn evenings approach, the plant will be stressed considerably.

When exposed to warm drafts, which cause both the temperature strain and usually reduce local humidity, high temperatures are the main problem.

  • Improper Fertilizer

Do not over-fertilize your plant because it will damage it and yellow the leaves. Also, severe cases may lead to death. You should only commence fertilization with a dilute fertilizer solution on your Hoya plant every 4-6 weeks. A specialist domestic fertilizer could be used, but a regular, balanced plant fertilizer with half-strength is ideal.

The accumulation of excess minerals and salt results from an excessive quantity of fertilizer. This formation modifies the pH of the soil and decreases the supply of nutrients.

  • Insufficient watering

Although Hoyas can accept dry conditions compared with many plants in a house, particularly for a long time, do not let the plant in Hoya sit in a droughty climate. When they do not obtain enough water, the leaves can turn yellow and crispy.

Underwatering, when you see yellow leaves on your Hoya should not be your very first thought. Make sure that the more common problems first are avoided.

The entire plant looks dry, and if underwatering is the cause of the problem, then the soil will be arid. The soil moisture of plants with wounded roots is not taken up. This further incident leads to leaf discoloration, loss of force, and stunted plant growth.

  • Overwatering

Hoya houseplant is the most common cause of yellow leaves. Excess water or soil that is poorly drained prevents the roots from working correctly, resulting in detrimental effects on the plant’s rest.

The Oregonian says this may mean that the root rot, a fungus due to overwatering, is rooted. Hoya fungal blots are another concern. Do not water hole with tap water because this can cause mineral salt accumulation and lead to white spots on the hole leaves.

The fact that water-logged soils prevent aeration and the roots need a constant oxygen supply to keep them safe is not merely an issue.

Solutions of Your Hoya Leaves Turning Yellow

Go through the solution part, follow them accordingly. We hope it will help you to save your loved plants.

  • Solution for Water issue

Set up a device of filtration. It is an investment that will last for both people and plants. Offer clean water to your vine. They may be incredibly hot or cold. Avoid the use of drinking water because it naturally contains contaminants such as fluorine. Get an Aqua Checker for your water quality monitoring. You can learn more about your water by using this procedure.

  • Solution for Temperature effect

Hoyas are more able to tolerate high temperatures because their soil stays damp and humid. Most Hoyas have no too many difficulties handling temperatures up to 95°F (35°C). To keep an eye on temperatures, use a digital thermometer in the plant room. You can also use a thermostat to regulate the temperature automatically.

  • Solution for Improper Fertilizer

Change the plant’s feeding frequency according to the health of the plant. The Hoya must be given fertilizer every two weeks if the leaves and stems become pale. If new leaves are smaller and darker than average, provide the Hoya fertilizer six weeks ahead of time.

When feeding your houseplant, remember the soil volume and light intensity. High light intensity, as well as large pots, need more fertilizer or less. If the potting ground is dry and can burn roots, do not have Hoya’s fertilizer solution. During autumn and winter, you do not get any fertilizer.

  • Solution for Insufficient watering

Well, watering enough is the only option that may come in your mind. Only if your floor surface of the pot is dried can you water your Hoya plant. Check the soil moisture with a light stick or moisture meter on the rising medium. It should dry out about two to three inches from the soil’s top layer before watering again.

Provide enough drainage to prevent overwatering. Drill the base of the pot for more holes. Catch regularly in a saucer at the bottom of the pool the collected water. The following days, it should display recovery signs, but it is doubtful that too dry leaves will recover.

  • Solution for Overwatering

You need to wonder how many times you’ve watered your Hoya. Until the top few inches of soil feel dry, do you water most Hoya plants, and it is often safer to err on the side of underwatering than to risk overwatering your plant.

You would be shocked how often no drainage holes can be found, and if not handled, the plant will always die. Possibly too soon, a Hoya plant may begin to drop its leaves. Before watering it again, allow the soil to dry a little more.

Some Important FAQs

In this section, we have arranged some popular questions which many Hoya owners frequently ask. Go through this part; we hope you may get the answers to your confusion if you have any from the above discussion.

  • Can you save yellow leaves?

If the leaves look almost yellow, and the stalk’s center becomes brown and becomes a bit soft, you can overflow your plant. Lastly, cut yellow leaves, so they’re not going to turn green and don’t worry.

  • Can yellow leaves turn green again?

Yellow leaves are also an indicator of stress, and yellow leaves cannot naturally turn green again. Inadequate watering and illumination are the most common reasons; however, other possible triggers include fertilizers, pests, illness, acclimatization, extreme temperatures, or transplant shock.

  • How do you tell if Underwatering vs overwatering?

It is overwatered if the soil is wet – it is underwatered if it is dry. Browning of the edges: Another symbol that may go in both directions. Determined which leaf shows browning by feeling: it is underwatered if it feels crispy and light. It’s overwatered if it feels soft and limp.

  • Can plants recover from underwatering?

Typically, when plants are sprayed, they can recover within a couple of hours of water. If overwatered, the root will rot, and it will take a lot longer to recover.

  • Do dead leaves help plants grow?

Dead leaves can also become a better ingredient than chemical fertilizer in a good piece of compost. Compost nourishes plants, retains moisture in the soil, helps to distribute fertilizer, encourages weeding.

Final Words

No one wants their plants dead. Yellow leaves can be a pronounced symptom. So do not ignore that. Find out the reason and solve them. To help you, we have arranged a step-by-step fixing process in this article. We hope you will enjoy it reading through.  Please let us know your opinion in the comment section. 

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