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Home » Preserving » How to Ripen Unripe Peppers

How to Ripen Unripe Peppers

by Mike Hultquist · Oct 28, 2017 · 121 Comments

Yes, you can still ripen unripe peppers you’ve pulled from your pepper plants due to frost or other reasons. Here is how.

It’s the end of the chili pepper harvesting season and I’ve just pulled all of the remaining peppers off the plants. Sadness reigns. It was necessary, though, because the weather is calling for frost and frost will destroy anything that is left.

The problem now, though, is I’m stuck with a bag load of green, unripe chili peppers. Should I eat them green? Sure, they are still edible, but they have a raw, green flavor that some may not enjoy. Whatever you do, don’t toss them out because you can still ripen those green peppers.

Ripen Unripe Peppers

The Windowsill Method. This is easiest if you only have a few unripe peppers. Simply leave your peppers on a sunny windowsill in a warm room for a few days. They will begin to turn color and ripen in the sun and warmth.

Once ripened to your liking, store them in the refrigerator or use them right away. If they start to go soft, throw them out.

The Branch Method. Another trick is to hang them upside down while still attached to their branches, indoors, and they will continue to ripen. This will, of course, require you to remove at least the plant branches, but at end of season, it won't really matter.

Realistically, peppers do continue to ripen on their own after you’ve picked them, so even if you keep them in a small bin at room temperature, they should ripen up for you in about a week or two, though be sure to check on them periodically to make sure none of them goes bad.

The Paper Bag Method. Store the unripe peppers in a paper bag with a ripe tomato or apple. This also works with green tomatoes. The ripe fruit will speed the ripening process and your peppers (and tomatoes) should ripen in a week or longer, though this particular method has been disputed.

I'd love to hear your personal experience ripening peppers using the paper bag method.

Note that temperature is an important factor when ripening your peppers indoors. The peppers will ripen more quickly at room temperature, and more slowly at cooler temps.

Let me know what methods work best for you!

Enjoy your bountiful pepper harvest! Check out other methods for Preserving Chili Peppers.

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  1. Wendy says

    January 24, 2025 at 1:36 pm

    I have a rocoto that is heavily laden & still flowering with more chillies, they are all still green, should I leave them on the plant to ripen?

    I picked a couple and put them on a sunny windowsill and they have ripened now after 5 days.

    The plant is growing more and doing well with being fed on a weekly schedule, not sure if I should pick them to ripen to give the plant the energy to produce more.

    I'm in New Zealand and the plant is in a greenhouse where it seems to be thriving.

    Reply
    • Mike Hultquist says

      January 24, 2025 at 4:32 pm

      I would leave them on the plant to ripen, Wendy, as long as the temps allow it. Best way to do it. Enjoy!!

      Reply
  2. Anne says

    December 12, 2024 at 5:22 pm

    Yes I saw this post a few weeks ago and followed your cut branch solution. No sunny space but plant stand with grow lights. Used S-hooks and suspended under lights and one by one my precious fresnos turned from green to red! Many thanks for your all your tips Mike!

    Reply
    • Mike H. says

      December 13, 2024 at 6:22 am

      Very glad to be reading this, Anne. Have fun with it! 😉

      Reply
  3. Helen says

    December 11, 2024 at 4:18 am

    Hi Mike,
    I'm on the other side of the world and our chilli season is in the early stages. I'm growing beautiful Hungarian paprika peppers and need some advice. I really want to pick some so the plant will produce more. Some are just slightly changing colour. Can I pick them now and will they ripen while hanging?
    Thanks so much

    Reply
    • Mike Hultquist says

      December 11, 2024 at 7:25 am

      Hi, Helen. It's best to wait for the peppers to ripe on the plant, but you can pick some early if needed. Best is to place them in a paper bag with a banana or apple on a window sill to help them ripen. I have some advice on this here: https://www.chilipeppermadness.com/preserving-chili-peppers/how-to-ripen-unripe-peppers/

      Reply
  4. Kurt says

    November 03, 2024 at 4:20 pm

    How soft is 'too soft' and they should be tossed? I have been known to still use semi-soft peppers in a stir-fry or something. (Obviously rot or mold is much too far gone)

    Reply
    • Mike H. says

      November 04, 2024 at 5:22 am

      Kurt, if the pepper is mushy to the touch and you can easily press through the flesh, it’s likely past its prime. At this point, the texture may not hold up well in cooking, and it’s usually best to discard it.

      Reply
  5. Lauren says

    October 14, 2024 at 8:17 am

    I have a campervan that gets warm inside on most autumn days so I’ve put my green chilli peppers along the front windscreen to ripen. So far they seem to be doing well!

    Reply
    • Mike H. says

      October 14, 2024 at 3:02 pm

      Very creative. Well done!

      Reply
  6. Martyn Sharman says

    October 08, 2024 at 6:42 am

    Will a banana work?
    The reason I ask, is that bananas ripen other fruit very quickly.

    Kind regards,
    Martyn

    Reply
    • Mike H. says

      October 09, 2024 at 3:25 am

      That can work, Martyn!

      Reply
  7. Kyla says

    August 20, 2024 at 4:51 pm

    Hi Mike,

    I have a very large and loaded Datil pepper plant that was snapped off at the base during a wind storm several days ago. It had a very little root structure left and I was a little hopeful that if I stuck it back in the ground it might survive, but it is not 🙁 I contacted my local extension office and was told it was hopeless and peppers would be tasteless. I have been so excited to find your site and it has been so full of information and cannot wait to dive into most of your recipes. Anyway, just wondering if your think all of my green Datil peppers I have would ripen in a paper bag if I threw a green tomato in (maybe a couple of green tomatoes)? Makes me sick to just pull this huge plant and toss in the compost pile. Would love to hear your thoughts.

    Reply
    • Mike Hultquist says

      August 21, 2024 at 5:48 am

      Hi, Kyla. Sorry to hear! That's a bummer. You can try to ripen them, but it may not work if the peppers are very young. You can still use them, though. You can make a verde sauce or salsa. They will still have a bit of that "green" flavor, unripe, but at least it's not a total waste.

      Reply
  8. Connie says

    August 17, 2024 at 8:51 am

    I soak the unripe peppers in water for 15 minutes then put out to dry. Thick shinned peppers go on the window sill & thin skinned peppers go in a fruit box (has holes in the sides) lid on with a few ripe apples. I place the box in a sunny window. It works very well & my peppers stay crisp.

    Reply
    • Mike H. says

      August 19, 2024 at 4:37 am

      Thanks for sharing, Connie!

      Reply
  9. Helene U Taylor says

    July 25, 2024 at 9:30 am

    I live in London, UK where we typically only have night frost once or twice every winter - a few nights each time. The first cold spell usually in December, the second in January and then we are finished with winter - no snow usually.
    Before the first forecasted frost I chop off all my unripe chillies and place them on double layers of kitchen paper on a long shelf I have on top of the radiator in my hall, sadly I can’t post a photo here of last year’s tightly packed, all lined up chillies - looked amazing! The shelf was not long enough so many of the chillies had to wait in the fridge to go for their ripening treatment.

    Once fully red, all chillies not eaten were opened, de-seeded, stalk cut off and frozen.
    It’s now end of July 2024, this year’s 3 chilli plants have started to fruit and I still have a big bag of chillies in my freezer from last year….
    I grow Aji Delight, Aji de Mocha and Poblano every year - in addition to tomatoes and other fruit and veg in my tiny garden.
    The chillies I grow don’t need sunlight to ripen indoors, but the ‘bottom heat’ from the radiator makes all the difference - no rotten chillies, and they taste almost as good.

    Reply
    • Mike Hultquist says

      July 25, 2024 at 9:33 am

      Thanks for sharing, Helene!

      Reply
  10. Don St John says

    July 17, 2024 at 3:52 pm

    Using the paper bag with apple method I placed the bag in a seldom used room at about 80F. I forgot about them, about 2 or 3 months later they had ripened dried. Only a couple out of the bag didn't ripen. Can I rehydrate them and use them in Cowboy Candy? What is the best way to rehydrate them?

    Reply
    • Mike Hultquist says

      July 18, 2024 at 5:20 am

      If there are no signs of rot or mold, you may be able to use them, Don. You can rehydrate them by soaking them in very hot water, but they'll be quite mushy, and probably won't make the best cowboy candy.

      Reply
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