11 votes
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Why did my young cucumbers turn yellow and fall off?

Pollination is probably the issue - the cucumber is formed behind a female flower, but if the flower does not get pollinated, then it yellows, shrivels and drops off. You haven't said whether you're ...
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11 votes
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What is this little insect larvae on my cucumbers?

That is a ladybug larvae - don't kill it. It is eating pests, and is a beneficial insect. Are the beetles they were found with ladybugs? that would make sense. But Mexican bean beetles and Cucumber ...
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9 votes

Is there anything wrong with letting cucumbers get large?

I have heard that letting them get too large makes them sour/bitter. According to: https://bonnieplants.com/growing/growing-cucumbers/ They say, "Don’t let the cucumbers get oversized or they will ...
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  • 111
9 votes

Is there anything wrong with letting cucumbers get large?

No, there isn't. Providing you check them for flavor and make sure they haven't aged too far. At about 2 inches diameter. Larger than that and you'll start noticing flavor change and flesh hardening ...
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  • 3,873
8 votes
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What causes cucumber leaves to turn yellow, brown, wilt, die, and the plants to stop producing?

I think you have Cucumber mosaic virus, because of the mosaicing, curling, and drying of the leaves, and the stop in production, plus the time frame of infection matches perfectly. There is no cure. ...
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7 votes

How do I prune cucumbers?

You don't say where you are growing your cucumbers. (IE, greenhouse, outside, covered bed, etc.) If you could give more information it would be helpful. The kind of intense pruning you are talking ...
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7 votes
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How do you collect and keep cucumber seeds for planting the next year?

Pumkins, squash and cucumbers all are pretty easy to propagate by seed. The important part is letting the fruit ripen thoroughly so the seeds finish formation. So, you have to let one of your ...
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  • 3,873
6 votes
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What are these small black things appearing on my cucumber leaves, and are they harmful?

I believe those are flea beetles, from the family Chrysomelidae. They can be a bad pest, but I have successfully ridded them from my property, and haven't seen one here for some time. I've ...
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6 votes
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Can I transplant the cucumbers in these pictures?

It's true that cucumbers are best planted as seed in the location in which they will grow. There are however many considerations to work through when contemplating a relocation. What I'm thinking in ...
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6 votes
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What is this weird growth on my cucumber?

Remove it. I don't think it is a tumor. Tumor are relatively rare in vegetables, because of short lifetime, and having a lot (really a lot) more genes. I think it is caused by insects (or other ...
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6 votes

Twelve Weeks on and One Female Cucumber Flower

Female flowers are the fewest on the main stem and their number is greatest on 3rd level of ramifications. Also, when the plant is young it will produce a female flower for every 10 male flowers, and ...
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  • 5,366
5 votes

How can I revitalize cucumber plants after spraying them for mildew?

I have removed most of leaves and not that many left. I have been fertilizing the plants with manure tea every week. I also added Epsom Salt, Calcium and zinc.
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5 votes

What are these small black things appearing on my cucumber leaves, and are they harmful?

I agree they're most likely flea beetles - close examination of the pics shows very small holes appearing in leaves. You can try this to control them: 2 parts rubbing alcohol, 5 parts water and 1 ...
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5 votes
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Cucumber leaves turning white, dying, with yellowish powder

The strong green veins with white in between indicate a lack of Iron. I used Iron chelate to treat this in other plants.
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5 votes

Why did my young cucumbers turn yellow and fall off?

Surely, it's lack of pollination. For the two years past, I had to hand pollinate my squash plants. This year, however, I see bees on the flowers, and I'm getting lots of squash. I live in Renton, ...
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5 votes
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Should I take seed casings off newly sprouted cucumber seedlings?

Some people call it a hammerhead. Some will tell you to just leave it and it will come off on it's own and if you try to remove it you risk damaging the plant. In my experience, if the seed shell is ...
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5 votes

Does a cucumber plant only produce one cucumber at a time

No a single plant can produce many cucumbers at once. It mostly depends on how long the cucumber vine as able to grow before flowering. The first flower is usually male, the ones that follow are the ...
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  • 6,316
5 votes

Cucumbers not producing

A lot of things could be happening. Lack of nutrients or too much fertilizer. Could also be the ph. Test the soil. Cucumbers like a ph of about 5.5. I would also put mulch on the ground around them so ...
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5 votes
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Can I grow lemon cucumbers in my area, Southeast VA, zone8? Pic incl'd

I don't see why you couldn't. Where I live, it's USDA zone 8a and my parents always grew them. I never thought of them as rare but few people knew what they were. I'd say they're more akin in flavour ...
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5 votes
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Why are my cucumbers deformed?

In my experience this is caused by lack of water coupled with hot weather. To get a consistently-size cucumber it needs to have a steady water supply while the fruit is growing. These look as though ...
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  • 166
4 votes

Why are my cucumber leaves turning yellow?

Calcium deficiency. In addition to the answer about chlorosis being like anemia, that's really not as far off as it may sound since anemia is in essence a shortage of Iron. An iron deficiency can be ...
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4 votes
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What are these white spots and wilting leaves on my cucumber seedling transplants?

Probably transition shock - your description of what you did does not include a period of hardening off for the plants, so if they were under shelter or inside originally, then planting them straight ...
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4 votes
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What's causing my cucumber & melon vines to wither away?

I think that's Bacterial Wilt, Erwinia tracheiphila. Cucumber bacterial wilt is caused by the bacterium, Erwinia tracheiphila, and is characterized initially by wilting and drying of individual ...
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4 votes

Cucumber leaves started getting yellow patches

I'm not a hundred percent sure, but my guess is downy mildew or maybe cucumber mosaic virus. For cucumber mosaic virus, I don't know if there's any treatment in this generation. Downy mildew tends to ...
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4 votes

Best way to grow and tend to Cucumber plants

On the past I left the cucumbers to grow horizontally. Possibly they get more water (using the adventitious roots). But I found two problems: it is more difficult to remove the weeds. hidden ...
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4 votes

Can I transplant the cucumbers in these pictures?

I wouldn't transplant them if I were you. I've tried transplanting cucumbers before and it wasn't a successful experience. However, if you do, you may experiment by soaking the roots in water until ...
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3 votes

Cucumber leaves turning white, dying, with yellowish powder

Is it possible that it's a form of https://en.wikipedia.org/wiki/Powdery_mildew ? We've had this problem in humid, warm weather, but the yellow/white aspect was more apparent than in your photo. We ...
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3 votes
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What are the practical differences between cucurbits grown from seed and cuttings?

Ok, I'll break this down and answer what I can. I haven't extensively grown cucurbits from cuttings, but I've grown pumpkins, cucumbers, watermelons, and other melons this way. I've found that I can ...
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  • 51.5k
3 votes

How do you collect and keep cucumber seeds for planting the next year?

Saving cucumber seeds is easy. Save them from what you would consider overipe fruits - that are yellow. Even using ones starting to dry out or rot is OK as long as the rot has not invaded the seed ...
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  • 1,135
3 votes

Why are the edges of my cucumber leaves drying out?

It's possible you just gave them too much nitrogen (or compost). That can cause leaf burning, and will probably cause reduced heat tolerance by competing with the available potassium. Flushing the ...
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