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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Spots on Magnolia

My Kay Parris Magnolia has some odd white spots on it. I’m wondering what these could be and how to deal with them?
Simon E
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How to save my succulent?

Sorry I couldn't be more specific in the title (I honestly don't even know if it's a succulent, that's my best guess), I have no clue what this thing is, but I want to keep it alive. I had this plant for a while, since last November. It grew a…
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Why am I getting some white, bleached leaves on my miltoniopsis?

I have two miltoniopsis divisions that have leaves that are turning white. Any ideas on what the problem might be? They were divided from a larger plant about 4 months ago and are growing in cocnout bark in clear plastic pots that have aeration…
LarryH
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Tomato plant leaves drying disease

I have recently planted a few tomato plants in pots but looks like something is eating their leaves they are drying. I would like to know how to stop this, which chemical I need to buy and to spray it to stop.
user889030
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Deformity in the form of many, miniature leaves

I have a nulles clementine that isn't doing too great after a winter indoors, for a variety of different reasons that don't surprise me in the least. I am, however, at a loss to explain the new growth I'm seeing on it, which is coming up in the form…
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My bulbs are dying before blooming

I planted tulip. hyacinths, and daffodils bulbs in a 12 ft x 4 ft. garden. I have clay soil. I dug this out 12 in. deep. I replaced the soil with 3 in of garden sand and the rest with cow manure with humus for good drainage. My daffodils didn't come…
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Removal of arm from Saguaro Cactus

I have a cactus and one of the arms is on my house and I want to remove the arm. It is not big and will not throw off the balance of the cactus. What I am wondering is will the cactus heal and are there any precautions I should take or put anything…
user16555
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What is happening to my citrus trees?

My kumquat tree has recently developed shriveled leaves with what looks to be trails of some sort on the leaves also. I am very new to citrus plants so really need some assistance. My lemon tree is also exhibiting some similar conditions. They are…
Cphelps
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Transparent crystal-like secretion on my orange tree

I have a young Valencia Orange tree (citrus senensis) which is doing great, and growing quite well. However, on one of its recent (small) branches, some sort of transparent secretion appeared in a single, localized spot. (It looks like crystallized…
Clement C.
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Why is my tea tree wilting?

I am growing Camellia Sinensis in zone 8. I noticed yesterday that this tea tree suddenly wilted. It was fine until two days ago. It has been hot for several days, often reaching 80F in the afternoon, which is when this tree gets sunlight. I didn't…
mika
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Why are my jalapeño peppers wilting suddenly just at the very tips of the fruit?

Why are my jalapeño peppers suddenly wilting at the tips of the fruit?
Teo Mills
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What is this white salt and web like thing on the soil?

I found these tiny drops of white thing on the soil of my pot growing Dracaena Reflexa Pleomele. They are kinda hard to see, but they resemble salt. What are these? How can I reduce or control this? Is this a good thing? What caused this white…
4-K
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Question on my Bradford Pear Tree

We have 2 Bradford Pear trees out front. This spring the one on the right was full of blooms, the left one was very scarce of blooms, the right tree is full of leaves, the left one is almost bare. We are very worried about our tree. Are there any…
Linda Jackson
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What's the issue with my avocado plant?

This leaf fell off the plant few days ago.. But I've been noticing this leaf one side dried for almost a month before that, is anything wrong with my plant, is it trying to tell me something? I water about 20oz alternate days, fertilized it with…
Anand Rockzz
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Why are my ornamental chili plants turning brown?

I have some ornamental chili plants and they started to make chili. However they started to turn brown in colour as shown in the pictures. They started to turn brown a couple of weeks ago but they haven't increased. Why do you think this is…
kidra.pazzo
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