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To get jalapenos to turn red, you simply need to give them enough time and the right conditions on the plant.
Many gardeners wonder how to get jalapenos to turn red because they are used to picking them green, but the red stage is actually the pepper’s fully mature state.
When you learn how to get jalapenos to turn red, you unlock a sweeter, smokier, and more complex pepper that is worth the extra wait.
Turning jalapenos red is not a complicated trick, it’s simply a matter of patience, warmth, and letting nature take its course.
In this post, we will explore the best methods for getting jalapenos to turn red, why they change color, and what to do if your peppers seem stuck in the green phase.
Let’s dive in and help your jalapenos reach that beautiful crimson finish.
Why Jalapenos Turn Red on the Plant
Jalapenos turn red when they are fully ripe, and this color change is a natural biological process that every pepper goes through.
When you understand why jalapenos turn red, you will see that the green pepper you usually buy is simply an immature fruit that was picked early for a crisper texture and milder heat.
1. The Ripening Timeline for Red Jalapenos
Jalapenos typically start out green and will turn red after about 70 to 90 days from transplanting, depending on the variety and your local climate.
Once the pepper reaches its full green size, it begins a slow transition where chlorophyll breaks down and red pigments called carotenoids develop.
This process is gradual, so a pepper might look half-green and half-red for a week or more before fully turning.
If you are asking how to get jalapenos to turn red, the first answer is always to simply leave them on the plant longer than you normally would.
2. Heat and Sunlight Encourage Red Coloration
Warm temperatures are the most critical factor in getting jalapenos to turn red because the ripening enzymes work faster in the heat.
Jalapenos love daytime temperatures between 70°F and 90°F, and when nights stay above 60°F, the peppers will color up more quickly.
Full sun exposure also helps because the plant uses sunlight to produce the sugars and pigments that lead to that red hue.
So if your jalapenos are sitting in partial shade, moving them to a sunnier spot can be the key to how to get jalapenos to turn red faster.
3. Reducing Water Stress Signals Ripening
While jalapenos need consistent moisture to grow, slightly reducing water as the peppers reach full size can signal the plant to focus on ripening.
When you ease off on watering, the plant redirects its energy from leafy growth toward maturing the fruit that’s already on the branches.
This mild stress response is a natural trigger that helps jalapenos turn red because the plant knows it needs to finish its seeds for reproduction.
Just be careful not to let the soil go bone dry, as extreme drought can cause the peppers to shrivel instead of ripening nicely.
Tips to Speed Up Jalapenos Turning Red
If you are short on patience or the growing season is ending, there are several tricks to nudge your jalapenos toward redness.
Learning how to get jalapenos to turn red when time is running out involves a few practical techniques that mimic warm, ripe conditions.
1. Prune New Growth and Flowers
Late in the season, pinch off any new flowers and tiny green peppers so the plant’s energy goes entirely to the existing full-sized jalapenos.
This redirection of resources is a surefire way to encourage the peppers you have to turn red before frost arrives.
When you remove competing growth, the remaining jalapenos get more sugars and hormones, which accelerates their color change.
2. Dig Up the Whole Plant and Hang It
A classic trick to get jalapenos to turn red is to pull the entire plant out of the ground once the peppers are full-sized but still green.
Hang the plant upside down in a warm, dry garage or shed, and the peppers will continue to ripen and turn red over the next week or two.
This works because the plant still holds enough moisture and nutrients to finish the ripening process off the vine.
Hanging your whole jalapeno plant is a great solution when cold weather threatens your harvest and you want red peppers.
3. Bring Picked Jalapenos Indoors with a Banana
If you already picked your jalapenos green, you can still get them to turn red indoors by placing them in a paper bag with a ripe banana.
The banana releases ethylene gas, which is the same natural hormone that triggers ripening in many fruits and peppers.
Keep the bag at room temperature and check daily; within 5 to 10 days, you should see your jalapenos turning red.
This indoor method is handy when you have no choice but to harvest early, and it’s a reliable answer to how to get jalapenos to turn red.
4. Avoid Refrigerating Green Jalapenos
One major mistake that prevents jalapenos from turning red is storing them in the fridge while they are still green.
Cold temperatures halt the ripening enzymes, so your peppers will stay green indefinitely and may even turn mushy when brought back to warmth.
Always keep unripe jalapenos at room temperature if you want them to turn red, and only refrigerate them after they have fully colored.
Common Problems When Jalapenos Stay Green
Sometimes you do everything right, yet your jalapenos stubbornly refuse to turn red, so let’s troubleshoot those issues.
Understanding why jalapenos stay green is just as important as knowing how to get jalapenos to turn red in the first place.
1. Cool Night Temperatures Slow Ripening
If your nights drop below 55°F, the ripening process nearly stops because the pepper’s metabolism slows way down.
In this case, you can use row covers or bring potted jalapenos inside at night to keep them warm enough to turn red.
2. Too Much Nitrogen Fertilizer
High-nitrogen fertilizer encourages lush green leaves but delays fruit ripening because the plant stays in a growth phase.
Switch to a phosphorus-rich fertilizer, like a bloom booster, to signal your jalapenos to mature and turn red.
3. Harvesting Too Early Out of Habit
Many gardeners pick jalapenos as soon as they look big and plump, not realizing that green peppers are still weeks away from redness.
If you want red jalapenos, resist the urge to pick at the first sign of full size; instead, wait an extra 2 to 3 weeks for the color change.
So, How to Get Jalapenos to Turn Red?
How to get jalapenos to turn red is all about patience, warmth, and leaving them on the plant until they reach full maturity.
Jalapenos turn red naturally when given enough time, consistent heat, and reduced watering late in the season.
If frost is coming, you can dig up the whole plant and hang it indoors, or place picked peppers in a paper bag with a banana.
Avoid cold storage and too much nitrogen fertilizer, and always prioritize sun exposure for the fastest results.
With these methods, you will enjoy a beautiful harvest of fiery red jalapenos that are sweeter, smokier, and perfect for sauces, salsas, and drying.
So go ahead and give your peppers the time they need, and you will master how to get jalapenos to turn red in no time.
Happy growing, and may your garden be full of red hot goodness.