Why Your Pepper Leaves Are Turning Yellow (And What To Do About It) (2023)

Pepper plants are one of the most popular vegetables in home gardens, partly because they can survive many conditions. That doesn't mean they're immune to problems. A problem you often encounter is yellow leaves on your pepper plants.

Yellow leaves are clearly a problem; It's an indication that something is wrong and you need to find out right away.

Although frustrating, it can be fixed. Let's take a look at the reasons why yellow leaves happen and what you can do about it.

6 reasons for yellow leaves on pepper plants

Yellow pepper leaves are a common problem and even seasoned gardeners have it sometimes.

Why Your Pepper Leaves Are Turning Yellow (And What To Do About It) (1)

Nobody wants yellow leaves on their peppers, but if you are faced with this problem, examine your plants carefully for details that will help identify the cause.

Water stress and nutrient deficiencies are usually the main culprits, so think about your watering schedule. You also have to remember that yellow leaves stay yellow. Focus on creating new green growth!

When you see yellow leaves, it's usually one of the following six things. Your challenge is to find out what it is and work on a solution if possible.

1. Wasserstress

Without a doubt, the most common reason for yellowing the leaves of a pepper plant is overwatering, not underwatering.

As you may know, pepper plants love heat and drought. They tolerate drying out better than most plants. When dehydrated, the leaves will simply begin to wither, and a quick watering will perk them up again.

Water stress is caused by inconsistent watering and results in yellow leaves along with reduced pepper production and stunted growth.

Most people know that under watering is a problem - all plants need water! What many people don't realize is that overhydration is just as problematic.

Watering too much or too little causes stress, so it's best to water consistently. Check every day that the soil is moist but not wet.

(Video) Pepper Plant Leaves Turning Yellow? Common Causes & Solutions - Pepper Geek

When growing pepper plants in containers, consistent watering is crucial, along with choosing a container with plenty of drainage holes. Pepper plants don't like soggy roots.

How do you fix water stress?

The answer to this problem is actually quite simple! Check your plants every day.

Stick your finger in the soil to determine its moisture content. If the soil is two inches deep soggy, don't water that day, and if it isn't soggy, it's time to water!

If you feel you are unable to determine yourself, you can purchase a water meter to check the amount of water in your soil.

2. Nitrogen deficiency

Why Your Pepper Leaves Are Turning Yellow (And What To Do About It) (2)

Nitrogen is one of the most important nutrients needed for plant growth. If your soil is lacking in nitrogen, your plants won't be able to perform to their maximum potential and they won't have the lush, green foliage that you were hoping for. Yellowing leaves are a common sign of nitrogen deficiency.

The hardest part is figuring out if nitrogen really is the culprit. Our plants can't tell us, so we have to do the investigative work.

One way to tell if a nitrogen deficiency is your problem is if the yellow leaves start at the bottom of your plant and slowly move up. This happens because nitrogen is called a mobile nutrient, meaning it moves from one part of your plant to the next over time.

When your plant is lacking in nitrogen, the remaining nutrients are transported to the newer leaves at the top of the plant, causing the old ones to turn yellow. Eventually, these leaves will fall off your plant entirely.

You can also have onesoil testto find out if your bottom is missing.

Can You Fix a Nitrogen Deficiency?

You sure can, but fixing the problem isn't going to turn the yellow leaves green again. This is hopeless, but you can also prevent the other leaves on your plant from turning yellow.

Best to fertilize – seriously! Fertilizing your plants is a necessary step, but so many people forget to fertilize after the plants are in the ground.

Feed your pepper plants every two weeks with a 5-5-5 fertilizer. This keeps your plants healthy throughout the growing season and prevents pepper leaves from turning yellow.

(Video) How to remedy yellow pepper leaves

3. Nutrient Deficiency

We know nitrogen is necessary, but your plant needs more than that to survive. Yellowing leaves can indicate a lack of a number of nutrients. Two other key elements needed for plant growth are magnesium and calcium, and a deficiency in any of these elements can cause pepper leaves to turn yellow.

A calcium deficiency

Calcium plays an important role in the development and growth of your plants, especially in the development of cell walls. If your soil lacks calcium, your plant will have trouble bearing fruit and absorbing extra nutrients.

A calcium deficiency can be a serious problem as it limits the growth of your roots! While it's not as common as a nitrogen deficiency, it's a possible reason for your yellowing leaves. You may also find curled leaves or brown spots on your leaves.

A magnesium deficiency

Magnesium deficiency isn't a common problem in most soil-based gardens, but that doesn't mean it can't happen. Magnesium is an essential element needed for growth.

Like a nitrogen deficiency, a magnesium problem starts at the base of the plant. You can tell the difference as the veins in the leaves remain green while the rest of the leaf turns yellow.

It's a unique look that's hard to miss and it's called chlorosis. If you find chlorosis on your leaves, it means a magnesium deficiency is certainly your problem.

Dolomitic lime is an efficient wayAdd magnesiumto the floor.

4. An illness could be the culprit

Another reason you might have yellow leaves on your pepper plants is that your plants might be infected with a disease. Some diseases that can cause yellowing leaves are:

  • Phytophthora rot
  • wilt
  • Bacterial leaf spots

Typically, a disease causes more than just yellowing. There may be lesions on the leaves, brown spots, ruffled edges, or multiple problems on one plant.

Unfortunately, if a disease is your problem, you may not be able to treat the diseases. Instead, your goal is to prevent it from spreading to all of your plants.

This means you have to rip out those plants, and it can be really discouraging, but it's better than losing an entire garden bed of pepper (and maybe other) plants.

However, some things can be treated, so don't lose hope. Do some research to find out what you're dealing with.

5. Pest infestation

If you have a pest infestation, your plants could have yellow leaves. By examining your leaves closely, you can tell if pests are the problem.

(Video) How to Fix Pepper Plants that are Weak, Yellow, Struggling: Water Soluble Nitrogen Works Every Time!

Some pests that can cause yellowing leaves are:

  • Flohkäfer
  • mites
  • aphids
  • white flies
  • psyllium

If the yellowing appears as a tiny dot pattern, it is typically due to insects. Check the top and bottom of the leaves; Pests like aphids cluster together on the underside of the leaves.

Why Your Pepper Leaves Are Turning Yellow (And What To Do About It) (3)

Controlling a pest infestation can be difficult for organic gardeners who cannot rely on chemical pesticides. You can often use neem oil or insecticidal soap, which are safe choices that kill harmful pests and can be washed off with water.

6. Unfortunately, yellow leaves remain yellow

Chances are that none of these issues are the problem - what then?

You may have fixed the problem without realizing it. For example, you accidentally watered more or less for several weeks, but things got back on track. You may have had a nutrient deficiency, but added fertilizer fixed the problem.

Or it could becompletely different topic. For example too much or too little sunlight.

Unfortunately, once the leaves on your pepper plant turn yellow, they stay yellow. Even if you fix the problem, you can fix the new growth, but the old growth cannot be fixed or changed. Those yellow leaves will still be there.

Since yellow leaves don't do the necessary work to nourish and strengthen your plant, prune them. Then watch for new growth to see if your problem is gone.

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(Video) Nutrient-Deficient (Yellowing Leaves) Pepper Fix - This Week In the Garden


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(Video) What to do if your PEPPER PLANT HAS YELLOW LEAVES

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How do you fix yellow leaves on pepper plants? ›

Too much chlorine

The chlorine in the water can cause the leaves to turn yellow and eventually die. To fix this problem, you will need to start watering your pepper plants with filtered or distilled water. This will help to remove the chlorine from the water and protect your pepper plants.

Should I cut yellow leaves off pepper plants? ›

Prune to prevent pepper diseases and limit their spread

Trim off any leaves that show signs of possible fungal diseases or those that come in direct contact with the soil.

What can be done to prevent the leaves from yellowing? ›

Incorporate organic matter and organic mulch into your planting sites. Garden gypsum can also improve soil compaction, especially in heavy clay soils, and help keep leaves green. Improper soil pH can cause nutrient deficiencies and yellow leaves.

Why do pepper plants turn yellow even with fertilizer? ›

One common cause of yellowing pepper plant leaves is a nutrient deficiency. The most important nutrients to your pepper plant are nitrogen, phosphorus, and potassium. There is also a need for magnesium, calcium and other trace elements, but these are less commonly a problem.

Should I put Epsom salt on my pepper plants? ›

Like tomatoes, peppers are prone to magnesium deficiency. Epsom salt can be used just as efficiently with pepper plants as with tomato plants.

What do Overwatered pepper plants look like? ›

Often, if you overwater peppers, it can cause them to get yellow leaves, droop, stunt their growth, and have general poor health.

What is the best fertilizer for pepper plants? ›

While the best pepper plant fertilizer depends on soil condition and the gardener's preference, the top performer is Pepper & Herb Fertilizer 11-11-40 Plus Micro Nutrients. This fertilizer is formulated to provide a balanced ratio of nutrients essential for pepper plants.

Can a yellow leaf turn green again? ›

Generally when a houseplant leaf turns yellow, that leaf is dying. Chlorophyll gives a leaf its green color. When the leaf loses its chlorophyll, the plant abandons it and begins to absorb leftover nutrients from the leaf. That's why once the leaf turns yellow, you generally can't make it turn back green again.

Should you water pepper plants everyday? ›

As a general rule, pepper plants should be watered about once per week and allowed to thoroughly drain. However, this frequency can vary significantly based on the temperature, wind, and the size of the plant and its growing container. During a heat wave, you may need to water your potted peppers every day!

Does Epsom salt help yellow leaves? ›

If your plant's leaves are turning yellow, it might have a sulfate deficiency. If your plant's leaves are turning yellow but the veins remain green, it might have a magnesium deficiency. Epsom salts are a great solution for both of these problems.

What nutrient is missing when leaves turn yellow? ›

Sulphur. Sulphur is a component in the formation of chlorophyll. Deficiencies result in yellow leaves and stunted growth.

What fertilizer is good for yellow leaves? ›

Magnesium Deficiency

Signs: Leaves yellow with white stripes along still green veins. It usually first appears on lower limbs. Treatment: Add compost or fertilizer rich in magnesium sulfate (commonly known as Epsom salts) to the soil.

How can I add calcium to my pepper plants? ›

If the soil in your garden lacks the calcium your pepper plants need, you may be able to add it in the form of fertilizer. One way to do this is with calcium nitrate, which is water-soluble. Calcium nitrate, like Southern Ag's product here, is an excellent way to add calcium directly to your soil.

How often should I water yellow peppers? ›

Peppers actually like to dry out a bit between watering. That said, during the longest hottest days of summer, especially in pots, that may be every day. With cooer weather and during the spring and fall you may only need to water them every 2-3 days.

Can you spray soapy water on pepper plants? ›

It's not recommended to use dish detergent (like Dawn), laundry detergent, or hand soap (even the “natural” versions), since these soaps contain abrasive ingredients that could harm your plants. For DIY insecticide, organic pure castile liquid soap is the best solution since it's all natural and highly effective.

Is sugar water good for pepper plants? ›

There is no scientific evidence that feeding plants sugar water is conducive to plant health, on the contrary, it can harm your plants and even kill them.

What plants should I not use Epsom salt on? ›

Carnivorous plants — Pitcher plants, venus flytraps, and sundews are some insect-eating plants that should not be applied with Epsom salts. Because they are adapted to grow in mineral-poor and depleted soil, supplementing fertilizers with even a tiny dosage could mean death to the bug-trapping ornamentals.

What does calcium deficiency look like in pepper plants? ›

Blossom-end rot results from a calcium (Ca) deficiency in young, rapidly expanding pepper fruit tissues. Blossom-end rot symptoms begin as a light green or yellow-colored sunken spot and expand to a larger collapsed area that begins to turn black from colonization typically by saprophytic Alternaria fungal species.

Why are my pepper leaves curling up and turning yellow? ›

Overwatering can cause pepper leaves to curl due to the roots' inability to access enough oxygen and nutrition from the soil. Overwatering will also usually cause yellowing leaves and stunted plant growth. The most common reason pepper plants become overwatered is poor drainage.

Do pepper plants like to be misted? ›

In hot weather, mist pepper plants to increase humidity and deter red spider mites.

Is Miracle Grow good for plants? ›

Miracle-Gro is not an organic fertilizer as it is made with chemicals or syhtnetic ingredients. The short answer: no. Standard Miracle-Gro “all purpose plant food” fertilizers are synthetic and toxic to organic gardens.

What is a natural fertilizer for peppers? ›

One that is popular with many pepper farmers is Epsom salt fertilizer. Epsom salt consists of magnesium sulfate and has been used in gardening for centuries. Add Epsom salt to the soil before transplanting your pepper plants, and you can also use it in the form of a foliar spray.

Are coffee grounds good for pepper plants? ›

Coffee grounds are rich in a number of nutrients and can help revive ailing pepper plants.

Do yellow leaves mean too much water? ›

Yellow Leaves + Fading to Green + or Bright Yellow =

These symptoms together mean that your plant is overwatered. Usually lower leaves drop first, although the whole plant may be affected. The solution = repot (to remove soaked soil) and water less, or let soil dry out and water less.

Can too much fertilizer cause yellow leaves? ›

People often use too much fertilizer to make their plants grow faster. The excess salt in the soil from too much fertilizer “burns” the leaves causing them to turn yellow. In the case of houseplants, change the soil or leach it with large amounts of water to correct the balance.

Do yellow leaves always mean overwatering? ›

Most of the time, if your plant's leaves turn yellow, it's a sign that you're either underwatering or overwatering it. Plants need water to survive, and if they're not getting enough of it, they'll drop leaves in order to conserve their supply.

Is it better to water pepper plants in the morning or evening? ›

The key is to make sure you water at the right time. This needs to be either in the evening when the sun goes down or in the early morning. If you water during the day, your pepper plants can't absorb the moisture as well because the water evaporates faster in the heat.

How do you know if your peppers are getting too much water? ›

Signs of an overwatered pepper plant include wilted leaves, which may seem to indicate that the plant needs water even though it is actually getting too much of it. When considering how much water is too much, think about the fact that chil peppers originated in dry Mexican climates.

How do you make bell peppers grow bigger? ›

Steps to Increase Pepper Plant Yield:
  1. Start your pepper plants indoors.
  2. Use grow lights!
  3. Use the right soil.
  4. Use a big enough pot (for potted plants)
  5. Use the right fertilizer.
  6. Prune your plants.
  7. Optimize sunlight, heat and watering.
Jan 5, 2023

How can I add nitrogen to my soil fast? ›

Here are some ways to give your plants a quick dose of this vital nutrient:
  1. Blood Meal or Alfalfa Meal. One option to quickly add nitrogen to your garden soil is to use blood meal. ...
  2. Diluted Human Urine. ...
  3. Manure Tea. ...
  4. Compost. ...
  5. Chop-and-Drop Mulch. ...
  6. Plant Nitrogen-Fixing Plants. ...
  7. Stop tilling. ...
  8. Polyculture.
Jul 28, 2020

Can I use baking soda instead of Epsom salt for plants? ›

Baking soda on plants causes no apparent harm and may help prevent the bloom of fungal spores in some cases. It is most effective on fruits and vegetables off the vine or stem, but regular applications during the spring can minimize diseases such as powdery mildew and other foliar diseases.

What does baking soda do for plants? ›

Baking soda helps the plants become less acidic and prevents fungal growth.

What are signs of lack of nitrogen in plants? ›

Slow growth and uniform yellowing of older leaves are usually the first symptoms of nitrogen (N) deficiency. Nitrogen-deficient plants produce smaller than normal fruit, leaves, and shoots and these can develop later than normal. Broadleaf foliage in fall may be more reddish than normal and drop prematurely.

What is a good source of nitrogen for plants? ›

The richest organic sources of nitrogen are manures, ground-up animal parts (blood meal, feather dust, leather dust) and seed meals (soybean meal, cottonseed meal).

Does lack of nitrogen cause yellow leaves? ›

To review, plants suffering from nitrogen deficiency tend to be pale yellow-green in color and have slow or stunted growth. Yellowing from lack of nitrogen starts at the older leaves and moves on to newer leaves as the deficiency continues with yellowing patterns varying by crop.

Should I remove all yellow leaves? ›

When you see an entirely yellow leaf, you should remove it from your plant using a sterile cutting tool. Removing the leaf will let the plant focus its nutrients on healthy leaves. A yellow leaf has lost its chlorophyll (pigment) and it can't turn green again even after you correct the problem.

Do yellow leaves mean too much sun? ›

Yellow leaves show up when your air plant is too wet and starting to rot, or when it's getting too much light,” Emily warns. These plants get their moisture from the air, and do not need the traditional watering other common houseplants do.

Do yellow leaves mean not enough sun? ›

Not Enough Light

The opposite problem from sunburn, yellow leaves can also indicate a lack of sunlight. In the event of too little light, plants will react on a cellular level to conserve energy and this leads to discoloration of the leaves.

Does Miracle Gro add calcium to soil? ›

It contains kelp, earthworm castings, feather meal and bone meal in an all-in-one particle. Added calcium helps form stronger cell walls, producing better quality and longer-lasting fruits and vegetables versus unfed plants. Plus, it helps prevent disorders in edible crops commonly associated with calcium deficiency.

What is the fastest way to add calcium to soil? ›

Adding lime to the soil in autumn is the easiest answer to how to raise calcium in the soil. Eggshells in your compost will also add calcium to soil. Some gardeners plant eggshells along with their tomato seedlings to add calcium to soil and prevent blossom end rot.

How do you add calcium to soil quickly? ›

You can can add eggshells to the soil when planting seedlings, or you can add eggshells to compost then add the compost to soil when it's ready, or you. Wood ashes: Wood ashes from hardwoods are good for soil amendment. Keep in mind that wood ash will also raise the pH of your soil.

Can leaf yellowing be reversed? ›

When the leaf loses its chlorophyll, the plant abandons it and begins to absorb leftover nutrients from the leaf. That's why once the leaf turns yellow, you generally can't make it turn back green again. (Although in cases of nutrient deficiencies, sometimes yellow leaf color can green back up again with treatment.)

What causes pepper leaves to turn yellow? ›

Pepper Plant Leaves are Yellow Due to a Lack of Water and Nutrients. One of the two most common reasons for yellow leaves on a pepper plant is either under watering or a lack of nutrients in the soil. In both of these cases, pepper plants will also be stunted and will commonly drop the pepper flowers or fruit.


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