Why Won’t My Peppers Turn Red?

If you’re like most pepper growers, the answer to this question is a mystery. You plant your peppers in the spring, and by summer they should be a deep red. But instead, they are green!

What gives? Don’t worry – you’re not alone. Many gardeners have this same problem. In this blog post, we will discuss some of the reasons why your peppers may not be turning red, and we will give you some tips on how to fix the problem.

Why Won’t My Peppers Turn Red?

The top reasons for peers not turning red include owning a green variety, the peppers not fully maturing, lack of sun, or pests. Each reason can cause a delay in the red coloring, so it is important to identify the problem early on.

I will now go into more detail about each of these reasons so that you can determine which one is affecting your peppers.

1. Owning a Green Variety

The first reason your peppers may not be turning red is that you simply own a green variety. There are many green varieties of peppers, and they are bred to remain green even when they are fully ripe. If you have a green pepper plant, then it is likely that your peppers will never turn red.

Many people make this mistake as they are not aware that there are different types of peppers that have different colors. Make sure to do your research so that you can avoid this issue in the future.

If you want to grow red peppers, make sure to buy a red variety from the nursery or seed catalog. Some popular varieties include Lipstick, Gypsy, or the Lady Bell. Simply purchase the seeds or seedlings of these varieties, and you will be on your way to harvesting beautiful red peppers in no time.

If you’re sure that you have a red variety of pepper, but your peppers are still green, then read on to find out the other possible reasons why this may be happening.

2. The Peppers Have Not Fully Matured

Another reason your peppers may not be turning red is that they have not fully matured. Peppers take a long time to mature, and the process can be delayed by factors such as cool weather or disease. If your peppers are still green, give them some more time. They may turn red yet!

Here’s where the confusion starts – most seed packets comment that the peppers will be fully-ripe in 6 weeks. However, this is just when they’re ripe enough to eat – not when they will turn red. In reality, it can take up to 9 weeks for pepper to go from green to red. So if your peppers are still green after six weeks, don’t worry – they may just need some more time.

If you don’t like waiting that long, try growing a smaller variety of pepper. That way, you can harvest them earlier and enjoy the fruits (or vegetables) of your labor sooner.

With those two issues out of the way, are you sure that your peppers should be turning red by now? If so, then read on to find out about the next possible reason for your green peppers.

3. Lack of Sun

Another common reason for green peppers is a lack of sun. Peppers need a lot of sunlight to turn red, so if your plants are not getting enough sun, they may stay green indefinitely.

To fix this problem, make sure to plant your peppers in a sunny spot in the garden. If possible, choose an area that gets at least six hours of direct sunlight each day. You can also try using a grow light to supplement the natural sunlight.

Similarly, the temperature can also affect the color of your peppers. Peppers need warm weather to turn red, so if it is too cold outside, they may stay green. In general, peppers need temperatures of at least 70 degrees Fahrenheit to turn red.

If planting your peppers outside, this means you will need to wait until the weather warms up in late spring or early summer. There need to be at least 16 weeks of warm weather before the first frost date in order for the peppers to turn red.

peppers growing on windowsill
Peppers growing on a windowsill

4. Pests

The final reason your peppers may not be turning red is pests. Peppers are susceptible to a variety of pests, including aphids, whiteflies, and spider mites. These pests can suck the nutrients out of the plant, causing it to become stunted or even die.

If your peppers are infested with pests, you will need to take action immediately. The best way to get rid of pests is to use an insecticide or pesticide. You can also try using a natural remedy such as neem oil.

Neem oil is a natural substance that is extracted from the neem tree. It is effective against a variety of pests, and it will not harm your plants. It works by disrupting the life cycle of the pests, preventing them from reproducing.

Simply mix a teaspoon of neem oil with a cup of water and spray it on your plants. Be sure to apply the mixture every few days until the pests are gone. This method is safe for both you and your plants, and it will not affect the flavor of your peppers.

Can I Eat Peppers That Haven’t Turned Red?

Yes, as long as the peppers are ripe, you can eat peppers that haven’t turned red. In fact, green peppers are just as nutritious as red peppers. They contain the same vitamins and minerals, so you can enjoy all the health benefits regardless of color.

However, I recommend waiting until the peppers are fully mature to experience the best flavor. Peppers that are still green tend to be more bitter than those that are ripe. So if you want the sweetest, most delicious peppers, it is best to wait until they turn red.

How to Make Peppers Turn Red Quicker?

The best and most efficient way to make peppers turn red is by giving consistent care. Make sure the plant gets enough water, sunlight, and nutrients so it can grow properly. By taking good care of your pepper plants, you will be rewarded with sweet, juicy peppers in no time.

You see, every day of cold temperature delays the process by one day. So, if it’s 40 degrees for one full day, that’s one day of growth lost. Two days at 50 degrees is two days lost, and so on.

The good news is that you can make up for the lost time by giving the pepper plants some extra TLC. For example, you can move them to a warmer location or use a grow light to supplement the sunlight.

Sunlight is especially important for peppers, so make sure they are getting at least six hours of direct sunlight each day. If possible, choose an area that gets full sun all day long.

You can also try using a balanced fertilizer to give the plants a boost. Apply the fertilizer according to the package directions, and be sure to water it well.


In conclusion, there are several reasons why your peppers may not be turning red. The most common reason is that they simply need more time to mature. However, a lack of sun, owning the wrong variety, or pests can also cause peppers to stay green.

If you want the best-tasting peppers, it is best to wait until they turn red. However, you can still eat peppers that are green, as they are just as nutritious. Simply enjoy them in a different way, such as adding them to salads or stir-fries. With a little patience, you will be able to enjoy the sweet taste of red peppers in no time!

Remember, if pests are the problem, be sure to take action immediately. The best way to get rid of pests on your peppers is with neem oil. This natural substance will not harm your plants and it will effectively disrupt the life cycle of the pests.

I hope you enjoyed this blog post. If you have any questions, please leave a comment below and I will be happy to answer them!

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