Questions tagged [diagnosis]

Gathering of information and facts to determine the root cause of a plant that is failing to thrive.

For questions about a plant that's failing to thrive, and where the cause is unknown (it could be disease, pest, or environmental). Ideally, the fullest possible description of the symptoms and growing conditions should be included, as well as close-up pictures of the affected part and other parts of the plant.

Model Questions

These questions are good examples of how to ask an effective diagnosis question. Note the photos and descriptions as well as the descriptive title.

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Why did my carrots split in a way that looks like legs?

This is the first year I've grown carrots. What gave them legs? I have a theory that the seedlings merged together. I don't know if that is just silly or if carrots just naturally grow like this.
Fatmuemoo
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How do I help my kitchen window herb garden thrive?

For the last couple of years, I've been nursing along a sort of kitchen window herb garden consisting of cilantro, parsley, basil and chives. What I've done is bought live herb plants at our local grocery store and re-potted them in individual pots…
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Why has my mint plant gone all woody/sparse/stringy?

I grew my mint plant in a pot to contain the roots, and that has worked well for 3-4 months. However, the plant is not really producing fresh leaves now. Is there anything I can do?
Dan
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What is this green-ish thing inside the orange?

So, inside this orange there is this "alien" thing. Before I want to say that this is GMO, I need an reasonable explanation about this. What is this thing?
24
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Why did my jalapeños turn black?

Last year I grew jalapeños. The fruits were tiny, but I was able to harvest a few handfuls. I noticed that many of them started to turn black on the plant. They were still edible, and they weren't rotten. The skin of the fruit developed black…
bstpierre
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Insect infestation on my pepper plant, what do I do?

I have spotted that one - and only one - of my peppers plants has a number of small black flies of some type hanging around the soil. And while writing this I've just spotted that one (and only one!) of the leaves has what I guess might be aphids on…
DMA57361
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What do purple tomato leaves mean?

Sometimes the leaves of the tomato seedlings we grow in pots gain a purplish shade on the bottom; the plants themselves (don't know if this is a coincidence) also seem to turn out stockier, shorter, and thicker in the end, and curl a bit. Does the…
Vervious
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Why is an indoor pepper plant flowering but not producing fruit?

One of my pepper plants has started to flower, and the petals are falling off to reveal a pepper growing from that stem - well, at least the first two have, and the other flowers seem to be bulging somewhat in the middle and I assume will therefore…
DMA57361
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Why does my grass have bright green patches?

My yard is about 6 years old (new house). When we put the yard in, the seed was equal parts Fescue, Rye, and Kentucky Bluegrass. We live in NE Ohio. About 2-3 years ago, we started getting these bright green (almost neon in color) patches all over…
Mike Ohlsen
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Why has our lucky bamboo turned yellow?

Our lucky bamboo has turned yellow in a very short time, after we've had it for almost 2 years. We've trimmed all yellow leaves, and changed the pebble to clean the green algae - what else can be done? Why did this happen and what can we do to save…
Kobi
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What is my citrus deficiency, based on leaf appearance? And how to treat?

In the images of my citrus below, you can see the leaves are paling towards the edges. What is the deficiency and how can I fix it? The soil is clay-dominated with some sand and coloured red, geologically ancient (Adelaide Plains, South Australia),…
Lisa
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Why don't my radishes swell up?

When I grow radishes, I find that some of them don't swell up to form the globe I expect; instead the root stays thin. These are planted in the same bed and at the same time as radishes that do swell. I believe I'm doing everything right:…
Niall C.
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Why are my apples rotting on the tree?

I recently bought a home that has an apple tree in the backyard. I don't know much about apples (or gardening in general for that matter) and I need help with a couple of things. I'd like some help identifying the type of apple if possible (see…
brady
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How do I get rid of pill bugs in my vegetable garden (or is it even the problem)?

I have had multiple plants in my vegetable garden that have seemed to just vanish from the garden over the period of about a week. I have notice pill bugs eating the remains of the plants. They seem to be focused on my lettuce. How can I determine…
Kellenjb
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Why hasn't my strawberry plant produced any fruit?

I have a plant I bought that was started from Home Depot. Unfortunately it hasn't grown any fruit, even after a whole year. Around May this year (my second year), it produced two small flowers and it grew another runner and a child plant but still…
chrisjlee
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