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Cucumbers Turning Yellow

Category Vegetables
There are several reasons your cucumbers are turning yellow. This is a guide about cucumbers turning yellow.


Ask a QuestionHere are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community or ask a new question.

By 3 found this helpful
June 3, 2010

My cucumbers do not turn green; they are yellow and bitter. This is the second year this has happened, the fruit is large, the plants have many flowers, and are producing, but this yellow cucumber is all we get.
What can I do to correct this, or do I just give up?
Thank you.

Hardiness Zone: 8a

By jeanne from Warner Robins, GA


June 3, 20102 found this helpful

Cucumbers are not meant to get large. Allowing them to get too big makes them yellow and bitter. All cucumbers start out green from the time the blossom drops off the immature fruit. For the best flavor, you should pick them when they are 4 to 5 inches long and still green.

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June 3, 20100 found this helpful

I've had yellow cucumbers, they were called "lemon cucumbers." They were round and anywhere from light to bright yellow. If you do a google search, you'll find information.

I agree that cucumbers are best when they're younger. They'll have fewer seeds that way, too. What variety are you planting? Look at your seed packet (or the tag, if you purchased plants). Are they getting enough strong sun? The only yellow cucumbers I've had were the ones that were supposed to be yellow.


If you don't get a good answer here, check out (lots of good information!):

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June 3, 20100 found this helpful

Check out cucumber info from Organic Gardening at http://www.orga  -16-1576,00.html
It indicates that you need very even water supply and shade since you are in a hot zone. They suggest you give 50% shade to prevent bitter cucumbers in your type of area. Wish you all the best. We love cucumbers too.

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June 7, 20103 found this helpful

This happened to me when I planted squash plants near my cucumbers. They cross-pollinated and the results were off-color and not tasty.

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August 2, 20160 found this helpful

Squash cannot cross pollinate with cucumbers. Different species. Squash and other squash, yes, they can cross pollinate.

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August 7, 20160 found this helpful

Leaving them on the vine - over ripens - they turn from green to yellow and do not taste good

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By 0 found this helpful
June 22, 2010

I have planted pickling cukes and they are turning yellow and they are almost shaped like a ball, round. Can you tell me why they are yellow? Thank you.


By Pauline Merry from Highland Springs, VA


June 23, 20100 found this helpful

They sound like the lemon cucumbers I grew last year. You can see some here (apparently she grew hers in a container, I grew mine in a raised bed on a trellis):
http://loumms.w  -grow-cucumbers/

Did you buy plants, or start from seeds? I wonder if there was a mix-up. I've never had it happen with veggies, but I've had flowers come up the wrong color before.

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June 23, 20100 found this helpful

It seems you must have what is called 'Lemon Cucumbers'. I like them. Taste very much the same asd the regular cukes, a bit lighter taste.

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June 23, 20100 found this helpful

I planted a package of cantaloupe seeds once and grew Crenshaw melons. Maybe they were mispackaged.

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June 25, 20102 found this helpful

Did you plant any squash or gourds near by. They could have cross pollinated.

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June 28, 20100 found this helpful

Check to see if you planted the correct seeds for picklers. If they are the regular ones, then the yellowing could be over ripe and needs to be picked. Sounds like an error in the seeds.

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June 26, 20121 found this helpful

Rounded cucumbers especially pickling cucumbers, mean that your soil is missing key nutrients, also poor irrigation can cause this problem. I learned this the hard way "by it happening to me!' My suggestion is to get a soil testing kit to find out what nutrients you are lacking. Also if your soil is hard and poor quality it can cause the water and fertilizer you put on not to soak enough into the roots.


make sure to soak them deeply and often if your soil is hard. I would suggest next year to put in some soil ammendments, like some top soil, natures helper soil conditioner, garden lime and maybe even a little sand, to raise the ph and loosen it up a bit.

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July 1, 20160 found this helpful

Humm .. Maybe thats what happened to mine.. They cross pollinated with the watermelon plants i planted. At first my cukes were fine but now that I think about it once my watermelons flowering my cucumbers got fat and yellow...

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By 0 found this helpful
October 22, 2009

My cucumbers are blooming and producing cucumbers but when they become about an inch long the bloom falls off and the cucumber turns yellow and dries up. What is going wrong?

Hardiness Zone: 9a

By Sandi from Houston, TX


October 22, 20090 found this helpful

Hmm... It sounds like they are getting too ripe. That's the color they usually turn. Good luck.

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September 9, 20100 found this helpful

Most likely they have worms inside. Cut one open and make sure that they are not being eaten from the inside out .


Also use insecticide called (Pyola). This should take care of any problems .

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July 31, 20110 found this helpful

We have healthy looking plants, but the cucumbers turn yellow and fall off. Why?

By Sheila


August 3, 20112 found this helpful

I had this same issue this year and read that it could be the lack of calcium! I had a small bag of gypsum from last year and spread it around the plants and now they are starting to take off! You can also clean your used egg shells, let them dry and crumble around the base of the plants!

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