Bell PeppersPepper Leaf CurlVegetable Garden

6 Reasons – Why the Pepper Plant Leaves Curling? Causes & Fixes


Pepper Plant Leaves Curling is a Very Common Problem Found While Growing Them at Home. Pepper Leaf Curl Can Be Cured very easily, if you Know the Reason of the Problem.

The Curling Leaves of Pepper Plants is mainly a Natural Response of the Plant to a specific Change of Condition, that it is trying to Manifest through it’s Leaves.

There are a Few Reasons of Why the Pepper Plant Leaves Curling, that can be Fixed Very Easily. In this Post, we Will Deeply Discuss About these Reasons & Their Simplest Solutions, So keep Reading.

Why the Pepper Plant Leaves Curling?

Pepper Plants Expresses the Curling Leaves problem, that is Usually more Visible in the Smaller Seedlings. Following are The Some Most Common Reasons of This Problem;-

  • Calcium Deficiency
  • Poor Circulation
  • Light Effects
  • Overwatering / Edema
  • Viral Attack
  • Shock & Stress

Calcium Deficiency in Pepper Plants;-

Calcium Plays a Very Important Role is the Health Of Vegetable Plants, So including a Calcium Source in the Fertilizer became Extremely Important. Calcium is an Important Part of Plants Cell & a Good Growth Style Without Calcium seems to Be Impossible.

How Calcium Deficiency Causes Pepper Leaf Curl?

When the Pepper Plant don’t Find enough Calcium for it’s Healthier Growth, then it starts Appearing the problem through It’s Leaves. It makes the Leaves to curls up and Also some of the blackish spot on the leaf Appears.

Pepper Plant is a Heavy Feeder & Deficiency of Micro Nutrients Causes Many Visible Changes in it’s Growth & Blooming Health. Some of the Examples are, Pepper Plant Leaves turning Yellow, Pepper Plant Leaves Curling, A Stunted Growth, Very Less Flowering on them etc…

Solution to Calcium Deficiency;-

When you Find such Type of Symptoms on Pepper Plant, that Means You have to Fertilize Them For a Consistent & Healthier Growth again. You can use an Organic Source of Calcium. like, the Egg Shells to feed your Pepper Plants.

You can also Choose Sea Weed Liquid, that is a very Good Source of Micro Nutrients. & it also have So Many Benefits to apply, You can Check Out a Detailed Article on Sea Weed Liquid Here!ย 

Calcium deficiency in Pepper Plants is very Common Reason of Leaf curl, So it is very important to make sure the Plant is Not facing the Calcium Deficiency.

Intense Light Effect;-

The Another Reason of Pepper Plants Leaves Curling Could be a Light Effect. When the Pepper plants are Exposed to a strong Sun light, then the Leaf curl problem appears. It is a natural response of Pepper plants to the Intense light Effect.

How it Makes Pepper Plant Leaves Curling?

Too much light causes the Increased Transpiration, & Water Evaporates Very Quickly From The Leaves. Moisture Deficiency in the Pepper leaves makes the leaves to curls in. The Sunlight of Summer Days is not Good For Pepper Plants, as it is Very Hot & Intense for Pepper Plants.


If your Pepper plants are also placed In a Sunny spot with too much Sunlight, then you just have to change the Position.

Do chilli plants need sun or shade?

Peppers grow very well in a Sunny area, but the Sunlight of Summer is very much Stronger than other days. So, it become necessary to put your pepper Plants in better point.

About a Sun of Low Intense Light (in Winter’s Sun), of 4 to 5 Hours is Enough of Peppers. In summers, you can Put them In a Semi Shaded Area, So They Can Continue Their Growth Healthy.

Poor Air Circulation:-

Another Common Reason of Pepper Plant Leaves Curling is The Absence of good Circulation of air around the Plant. Pepper Plants loves to have an open area with Air and Sun.

But if you kept them in a Poly house or in between of Multiple Plants, then this thing Makes the Pepper Plant Leaves Curling Upwards.ย 

How it Makes the Pepper Leaves curling?

Too much Moist environment around The Pepper Plants, Don’t Let Them Grow Healthily. High Humidity is not good for all type of plants. High Humidity Level Causes the Pepper Leaves Curling Upwards.


Curling Leaves of Pepper Plants, due to Poor circulation of air is not so common, but Mostly Found in Pepper Seedlings. To avoid this, you have choose an open Area for Peppers, with ideal Sunlight and Air Circulation.

Peppers Leaf Curl Virus;-

The another most Common Reason that Makes Pepper Plant leaves Curling is a viral Attack. It looks very abnormal and dangerous, it hits the immune system of Pepper plant very badly. All the leaves Specifically the New leaves Became Curled and Bubbly.

The size of the leaves of Affected plant remains Smaller and Pepper Plant shows A Stunted Growth. This is due to the attack of Virus and the most Dangerous thing about that, it spreads from plant to plant.

How the Pepper Leaf Curl Virus Spreads?

There Are Multiple Ways through Which the Pepper Leaf Curl Virus Can Spread. Like Through the Infected Pruners, Pests Coming From an infected Plant etc.. leaf Miners, Aphids etc are the Some Transporters That Take This Virus From Plant To Plant.

How to Treat Pepper Plant Leaf Curl Virus?

To avoid this type of Viral Attack, you can use an organic Pesticide on all your plants, Every 15 to 20 days, as a Prevention. And the Plant Is Already Infected with this Virus, then it becomes extremely important to dispose this plant, because it can damage the other plants of your house also.


Such type of a Viral Attack is common in Peppers, so using a Pesticide became necessary. One of the Most Effective Pesticide is the Neem oil Spray, that is Organic as well. & It Keeps All The Transporter Very Away from Your Al Plants, You just have to Use it Regularly.

Edema / Watering Issues;-

Another Reason of Peppers plant leaves Curling is Over Watering or Edema. It is the Most common Problem that cause the Leaf Curls. When you are using a Soil mix with Poor Drainage, then the Water doesn’t Drains Out properly.

Blockage of Water develops Stress on the Roots of Pepper Plants, and in result Pepper Plants Leaves Curling Problem Appears.

Pepper Plants likes a Moist Soil mix, Deep Watering works Very Well, But the Watering In a Poorly Draining Soil is the Main Problem.

How do you treat plant edema?

To avoid the Edema, the first thing you have to make sure is to use a Well Draining, Loose & Fertile Soil Mix For Pepper plants. You can Also Check Out a Good Soil Mix For Pepper plants Here.ย 

And the next thing would be Watering properly. Always Check the Soil Moisture Level before adding the Water. Add water only when the Soil is Getting dry. Don’t add water If the Soil is Already Moist.

Stress & Shock;-

The Last Reason in Our List that makes the Pepper Plants Leaves Curling is the Stress & Shock. Pepper Plants are Very Sensitive to Over Watering, Transplant Shock & Shifting Effects. & This thing ultimately Causes Stress on the Pepper Plant’s roots.ย 

Any Type of Stress & Shock on the Plant Body results in many Types of Problems like Pepper Plant Leaves turning Yellow, Pepper Plant Leaves Curling & a Stunted Growth of Plant Etc…

In the Same Way, Pepper Plants also Shows The Response of This Stress In the Form Of Lea Curl. This Thing makes the Pepper Plants Weak, They go Under a Shock & Chance of Pests attack & Other Diseases also rises.

When The Pepper Plants are Not Healthy Enough to grow Well, How can They Fight with Pests attack. & ultimately Leaf Curl Problem Appears.


First You have to See, What makes the Stress On Pepper Plants, Then You can Fix This Thing, by Providing an idea Environment to Pepper Plants Again. Transplant Shock, Seasonal Change, Over Watering etc… Can be Cured Very Easily, Otherwise Leaf Curl problem Definitely Kills Your Pepper Plants.ย 


If Your Pepper Plants Leaves are Curling, then You Don’t Need To Worry. I have Described you all the Common Reasons, Follow up this Guide & make a Solution Now. Definitely The Healthier Growth on Pepper Plants Come Back & Your Plants Produces Lot’s Of Flowers & Fruits.

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