Hibiscus Leaves Are Turning Yellow – This post may contain affiliate links, which means we earn a small percentage of each sale. I earn from purchases as an Amazon member.
Is your hibiscus getting yellow leaves? Here’s what causes it and what you can do to save this beautiful plant!
Hibiscus Leaves Are Turning Yellow
I absolutely love hibiscus plants. They have beautiful green foliage, but you can’t beat the big, colorful flowers. They transport me straight to Hawaii!
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These plants make beautiful shrubs and will come back year after year if you choose hardy varieties and live in a warm enough climate.
Excessive watering is the cause of yellowing of leaves in most plants. In general, plants do not like to sit in excess water. Over watering can cause root rot which will kill your plant.
If you suspect overwatering, stick your finger about 2 inches into the soil. Does it feel wet? Do not water again until dry.
If your plant is overwatered, remove it from its container. Shake off excess water and damp soil and top with fresh potting mix.
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If the plant is in a pot, make sure your container has drainage holes to prevent excess water from accumulating in the future.
For plants in the ground, you want to make sure it’s soil that drains well. Here are our top tips for planting plants in clay soil.
I find it much less common than overwatering, but low humidity can cause leaf drop. Usually the leaves will have brown, crispy spots (often on the tips). Then the leaves may turn yellow.
These symptoms indicate that the plant is drying out. If they are well watered, misting the leaves can help improve humidity in the air.
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Going from bone dry to casually wet can stress your plant and cause the leaves to turn yellow.
Hibiscus plants like very bright light, at least 6 hours a day. The more leaves they have, the more light they need. Leaves turn yellow in the shade, even in the shade of other leaves of the same plant.
If your plant doesn’t get enough light, the leaves will start to turn yellow and fall off. This will especially happen to the older leaves at the base of the plant.
The remedy for this is to move your plant to bright, indirect light. It will be much happier.
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Another cause of yellowing leaves can be a lack of nutrients. This is solved by applying hibiscus fertilizer. Be careful – too much fertilizer can cause the leaves to turn yellow and even fall off!
Your potted plant may be root bound. Basically, the roots are too big for the pot.
Take it out of the pot and see! If it has been around for a while, this is a real opportunity.
If the roots are tightly packed or sticking out of the drainage hole, it’s time to get a bigger pot. Add fresh soil while you’re at it for a happier plant!
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If the plant is in the ground, make sure the soil is very compact and needs aeration.
Soft, brown, mottled spots on the leaf are called bacterial leaf spots. This comes from water sitting on the leaves and rotting them.
Pest attacks may occur. Thrips, spider mites, aphids, whiteflies, mealybugs and Japanese beetles can burrow into the undersides of leaves and suck nutrients from your plant.
Hibiscus plants like to be between 60 and 90 degrees. Anything hotter or colder can cause shock and the leaves to turn yellow or drop!
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If the weather is very hot, water your plant more often so it doesn’t get happy and dry out.
As plants age, it is natural for some of the older leaves to turn yellow and fall off, making way for new growth. Maintaining a green leaf requires energy, and some plants choose to channel that energy into new plants.
If so, you will only have yellowing of the older leaves (near the base of the plant) and not new growth.
The best thing you can do is identify the problem that is causing your hibiscus leaves to turn yellow and fix the problem.
What Is Eating The Leaves Of My Hibiscus? — The Answer
No, once a leaf loses its chlorophyll, it doesn’t come back. I recommend removing foliage to encourage new growth.
Leaf fall is the next step after yellowing. However, yellowed leaves never turn green again, so they must go. Try to determine the cause of the yellowing and correct the problem so that it does not spread further.
Overwatered hibiscus plants will wilt yellow leaves, even if the soil is moist. They will also get brown roots from root rot. Hibiscus leaves turn yellow as a sign of stress, as a reaction to drought, overwatering, lack of nutrients or excess phosphorus in the soil. The leaves of tropical hibiscus varieties turn yellow in response to a sudden drop in temperature.
Yellowing leaves on your hibiscus can be a reaction to too much moisture around the roots or drought stress due to dry soil.
Any Idea Why My Hibiscus Leaves Are Turning Yellow
However, if the cause of yellowing hibiscus leaves is due to drought stress, this can be distinguished from overwatering if the leaves are significantly wrinkled and bent downwards, an adaptation to prevent water loss.
Over the next week the leaves should look less wrinkled or curled and the yellow leaves should start to turn a healthier green.
Drought stress is one of the main reasons why hibiscus won’t bloom, however, there are several reasons why hibiscus won’t bloom, so I wrote another article on the solution.
Hibiscus leaves can turn yellow not only from underwatering, but also from overwatering or, more specifically, from too much water around the roots, which emphasizes the importance of achieving the correct moisture balance for hibiscus growth.
Hibiscus Leaves Turning Yellow Indoors
If your hibiscus is planted in slow-draining soil or in a low spot in the garden, I recommend transplanting it to an area that has been amended with plenty of compost to improve soil structure, or growing hibiscus in pots, containers. and seeds. beds, because they have better drainage conditions.
It should also be noted that it is much easier to create a well-drained potting mix to suit the hibiscus and amend the soil in the garden.
Hibiscus in pots can also turn yellow if the pots do not have drainage holes in the base, as this mimics slow-draining soil conditions…
Potted hibiscus leaves can turn yellow for the same reasons that any other hibiscus turns yellow, but there are some problems in pots that can cause leaves to turn yellow:
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Hibiscus is quite a heavy feeder, so it often shows signs of stress due to lack of nutrients, the most obvious being yellow leaves and lack of flowers.
Sandy or stony soils do not retain many nutrients, and soil that is not covered with any organic matter can also have low fertility.
Hibiscus thrives in organic matter (such as compost, leaf mold and well-rotted manure) as it provides optimal conditions in terms of nutrients, soil structure and moisture retention.
It is important to get the right balance of nutrients when fertilizing hibiscus, too much fertilizer can stimulate leaf growth to the detriment of flowers, and too much phosphorus can also cause yellowing of the leaves, which emphasizes the importance of a balanced. Fertilizer with equal parts nitrogen, phosphorus and potassium (NPK).
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Use any reputable brand of granular fertilizer such as miracle-gro available at garden centers and on Amazon.
When phosphorus builds up in the soil, it can prevent hibiscus roots from taking up other nutrients, leading to nutrient deficiencies that cannot be corrected with more fertilizer.
This can cause the leaves to turn yellow, prevent the hibiscus from blooming in the summer, and cause the plant to die.
Phosphorus build-up in the soil is usually caused by over-application of fertilizers, especially any fertilizer with an excessive amount of phosphorus, often marketed as a “bloom promoter”.
Hibiscus Leaves Turning Yellow? (how To Revive It)
Delay the use of any fertilizer if you suspect phosphorus is the cause of yellowing hibiscus leaves and water regularly.
To confirm for sure if phosphorus is the cause, it is important to send a sample of your soil for testing, a service available at reputable gardens and nurseries.
Hibiscus can recover, but if there is a lot of phosphorus, it is difficult to revive the plant.
Hibiscus grows well in slightly acidic soils with a pH between 6-7. If the hibiscus is planted in soil that is too acidic or too alkaline, it prevents it from taking nutrients from the soil and the leaves turn yellow with green veins (chlorosis).
Wilting Hibiscus Stock Photo. Image Of Chlorosis, Care
Fortunately, most garden soils are in the pH range of 6-7, since most of the organic matter is around
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