9 Reasons Why Plant Leaves Curl and How to Fix It (2022 Guide)

Have you at any time occur throughout a plant with curled leaves? What can be the cause of leaves curling upwards or downwards?

There are several plant species in the globe. A lot of are vulnerable to leaves curling. But typically, curled leaves are a signal that one thing is improper with the plant. Concerns these kinds of as improper lighting, watering, and nutrient application are recognized to lead to this dilemma.

The good information is it is not all a reduction. Leaf curl is fixable. But you need to act quickly to avoid additional hurt to the leaves. In this article, we go over different causes for leaves curling as nicely as feasible fixes to these concerns.

Preserve reading for further perception.

Why Do Plant Leaves Curl? The 9 Possible Reasons

1. Too Much or Too Little Light Exposure

Plant in a pot indoor
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Different crops have various demands for growth. Between the prime requirements for most vegetation is light publicity, which performs a critical function in photosynthesis.

Nonetheless, not all plants are manufactured the identical. Some require minimal to medium light publicity, while other individuals must obtain ample vivid gentle all working day to prosper. If there are any alterations in these situations, you start off to recognize traits like curling leaves indicating soreness.

Curling leaves in specified plants can be a end result of too much light exposure. For occasion, vegetation like Dieffenbachia and Bromeliad guzmania thrive in reduced mild. If you spot them in a place with excessive brilliant light-weight, their leaves curl inwards in an attempt to defend by themselves.

On the other hand, some plants can only prosper when they obtain heaps of bright oblique mild. If these vegetation are in places with reduced to medium light, their leaves start off to curl outward in an hard work to achieve out for more light-weight.

Examples of vegetation that adore lots of light-weight are basil, Jade plant, and Geranium. Observe that these plants really like vivid oblique light-weight. Immediate gentle publicity can also guide to curling leaves.

2. Insect Infestation

Infested leaf
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If you notice your plant leaves curling, examine to see if there is an insect infestation. Between the biggest perpetrators of this are aphids. They have a soft body and vary in coloration. When they attack vegetation, they connect their sucking mouth components to them and commence sucking sap. Other widespread insects that attack plants top to curling leaves incorporate white flies and thrips.

3. Disease

Plant with disease
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A sick plant will start off showing indicators this kind of as curling leaves. An illustration is the leaf curl disease that mostly influences nectarines and peaches and is induced by Taphrina deformans fungus.

Symptoms of leaf curl that you can observe include:
  • Stunted growth
  • Yellowing of plant vein
  • Leaves puckering
  • Leaves curling
  • Excessive branching

4. Overwatering or Underwatering

watering plants
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H2o is important to plants. If a plant does not get enough drinking water, it will not endure. However, it is important to be aware that the volume of h2o you give your vegetation matters. Overwatering or under-watering is identified to lead to all kinds of plant concerns, such as leaf curling.

When you overwater your plants, it leads to pressure foremost to leaves curling. It is straightforward to overwater indoor plants, for example, given that they sit on a pot. If this pot lacks correct drainage, the extra humidity on the soil starts off to hurt the plant. Some plants do adore moist soil conditions, but very handful of desire moist situations.

Underwatering is also another lead to of curling leaves on plants. Because there’s also little dampness in the soil, these leaves also start off to droop downward. If you really do not drinking water the plant right away, these leaves can dry up and drop from the plant.

5. Wind

Tomato plant
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Crops like tomatoes don’t like windy conditions. This is why it is essential to pick the very best location to plant such fragile crops. The rushing wind qualified prospects to too much transpiration of dampness from tomato leaves.

When this takes place, you start off to notice the leaves curling to avert more transpiration. It is not only tomatoes that do not like windy problems. Other plants that also react the same way include Gardenia, Lilly, and Fiddle Fig.

6. Low or High Humidity

Leaf with water droplets
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Vegetation expand in all varieties of circumstances. Amongst the primary circumstances that will figure out the plants you can expand is the humidity amounts. Places with large humidity can not assist lower humidity crops and vice versa.

If you have large humidity crops in a low humidity setting, a single problem you’ll experience is leaf curling. Low humidity causes too much transpiration so the plant attempts to stop further drinking water loss by closing its stomata. The leaves will tend to curl downward and beneath.

On the other hand, minimal humidity plants developing in highly humid conditions also curl their leaves up in an energy to inspire much more transpiration. Frequently this goes hand in hand with overwatering or the existence of extra moisture in the ground.

7. Chemical Exposure

Poisoned leaf
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Plants have a tendency to be sensitive to harsh chemical substances. So, ahead of you consider applying chemicals to management pests, know the side effects.

Chemical exposure from herbicides, fungicides, and other chemical substances can trigger leaves to curl downward. In addition, these chemicals can also lead to permanent leaf injury. This is why it is essential to often stick to the recommendations on the label.

8. Temperature and Environmental Changes

Frozen leaf
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When it will come to temperatures, crops range in their needs. Some will do effectively in sizzling problems, other people in chilly climates, even though some favor the center ground.

If it receives too scorching or chilly, plants that favor reasonable temperatures can start curling their leaves. The sudden modify in temperature brings about pressure for the crops. This is why they inform you to this problem by curling leaves. Often, the temperature requirements are not the same for houseplants in specific.

In addition, sudden environmental modifications can guide to leaf curling. For instance, if there is a sudden warmth wave or frost, outside crops can stop up with curling leaves.

9. Nutrient Deficiency

Withered leaves
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Are your plants acquiring their dietary needs fulfilled? Yet another explanation for leaves curling on vegetation is due to nutrient deficiency. The major vitamins and minerals that your crops need to have for appropriate development are phosphorus, nitrogen and potassium.

When crops absence nitrogen, their leaves not only curl, but they also turn yellow. Yellowing is a critical issue in vegetation due to the fact the following stage is browning and death.

On prime of that, vegetation also need phosphorus. Lack of phosphorus triggers plant leaves to commence turning bluish and curling downward. The older leaves don’t get any vitamins so they are likely to dry up and tumble off the plant.

A lack of potassium triggers crops to become weak and have yellowing leaves. If this keeps on, the whole plant can wither and die.

How to Fix Curling Plant Leaves

It is essential to notice your crops and observe why the leaves are curling. Only following identifying the problem can you come up with a remedy. Beneath are diverse techniques to repair curling leaves. Note that instant action is essential to save these leaves from drying up.

Proper Lighting

Get to know the variety of crops that you have and their light requirements. If the crops prosper much better in low and medium lights, avoid places with vibrant immediate mild. The same applies if the vegetation favor brilliant indirect mild. Guarantee you choose a place that will get ample bright gentle for many several hours in a working day.

Pest and Disease Control

Vegetation developing inside of or exterior your home are vulnerable to pests and conditions. Constantly do an inspection to see if there are any pests attacking them. If you see these minor insects, begin by drenching your plant with h2o. Smaller crops are less difficult to dunk in a bucket of drinking water to dislodge all the bugs.

Right after that, you can apply some rubbing liquor or apply gentle herbicides that won’t injury the leaves. As for illnesses, very first, individual the plant from the rest and then find out if there’s a way to take care of it. If not, make certain you dispose of this plant cautiously to avoid spreading the illness.

Correct Watering Plan

woman watering the plants
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Possessing various crops at property aids create variety. But because all these vegetation have various watering needs, it is far better to have a prepare so that you are capable to preserve every single plant pleased and avert curling leaves. Also, you can get a moisture meter to check the h2o content in each and every plant.

Wind Protection

Wind-sensitive plants will curl their leaves to avert even more transpiration. As a result, it’s much better to plant these kinds of vegetation in an region protected from the wind. Or, you can plant other wind-resistant crops like hedges close to to safeguard your vegetation.

Humidity Control

Examine the humidity amounts and make sure they match the sort of vegetation that you have. If you discover the leaves curling, correcting the humidity levels will direct to uncurling. It is effortless to reduce humidity amounts using a dehumidifier about the plants. If you want a lot more humidity, have a bowl with water close by or get a humidifier.

Correct Chemical Use

Herbicides and pesticides can aid protect your plants, but you should use them in the proper way. Examine the manufacturer’s label for right recommendations on how to utilize every to your crops. Also, you can attempt other preventive actions just before chemical software.

Fertilizer Application

Crops want vitamins and minerals to expand. This is why it is crucial to feed them, specifically throughout the developing season. Make sure you use proper fertilizer for each plant to appropriate curling leaves and avert additional injury.


Plants are wonderful, but they have a tendency to be prone to specific issues that lead to curling leaves. No matter whether growing indoors or outside, a plant can curl its leaves for a handful of motives. This article addresses this kind of motives and how to fix these curling leaves to prevent further hurt.

Some triggers of curling leaves consist of poor lights, overwatering or underwatering, pests and diseases. It is essential to fix these problems as shortly as you observe them. Failure to do so can guide to total damage to the plant.


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