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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White stuff in citronella plant?

What is this white stuff in citronella plant and how can I remove it? It looks like a type of insect. Both of my citronella plants have that. Is it contagious? I started spraying it today with soap water.
rbhat
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House plant seems sick

I haven't been able to identify this house plant. Its leaves have a really beautiful pattern, as such: It has been watered regularly, is in the sunlight every day, but the leaves are furling and yellowing inexplicably, and the stems are falling…
MicroMachine
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Crippled nectarine tree leaves

Not sure what's causing this crippling on the leaves of nectarine leaves. Please help. Zone:9 (northern California)
Anand Rockzz
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Kentia palm gets brown/yellow spots on the leaves and has no growth

I'm a bit concerned for my kentia palm. I've had it for about a year, I've placed it fairly bright, I spray the leaves with water regularly, and water it every-time the top layer of the soil is dry (1-2 times a week). Its planted in a pot that can…
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The water in my cactus oozed out when I moved the pots and now it is kind of deflated, is it dead, is there any way to help it?

The water in my cactus oozed out when I moved the pots and now it is kind of deflated. Is it dead, is there any way to help it?
Gracie
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Dracena Marginata has new leaves growing white

I've had this dracena plant for almost 2 years now and today I noticed that the top growing leaves are white. Is this normal? I looked at the top leaves a while ago and didn't notice the white colours.
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Is my azalea dying?

I bought an azalea at the garden centre and it was being kept outside so I planted it outside and added some shrub food with the compost when I planted it and watered it thoroughly. It has been rainy and quite windy and I can see it has started to…
Letty
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Areca Palm just dry, or something more sinister?

I have a palm which I've had for 18 months or so and it's the best growing palm I've ever had. Big, frequent fronds, and quickly grew about 2 foot. Occasional browning at tips, or dry-green leaves(not browning) and more watering solved it. I had…
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Seedling chilli plant - not quite right

Help - recently my tall and frowning seedling chilli plant appears to be getting new growth but the leaves either develop brown spots and die, or shrivel up. We water it once a week, maybe a bit less. Any ideas?!
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What is this plague-like thing in my lucky bamboo? Is it damaging?

Can someone please help me identify what this orange larvae - like thing is in this lucky bamboo? I was cleaning the yellow leaves and notices it. This plant has over 2 years now. Thanks!
pimguilherme
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Flamingo (Anthurium) leaves turning yellowish

I have this Flamingo plant (Anthrium) for the last month. I use P rich fertilizer on it. Sometimes it gets occasional sunlight (Might be 2 days a week). It is kept in a room where it gets diffuse light most of the day. Yesterday I noticed that one…
Srijani Ghosh
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Is it normal that one of my Aloe veras isn’t as thick as the other one?

As you can see in the first picture my Aloe vera is thinner than the one in the second picture and I was just wondering if this is normal (maybe because it’s a younger plant). I wasn’t really sure and kind of afraid that I was maybe over-watering…
Tali
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What’s wrong with my succulent?

whats wrong with my succulent? Am I watering too much? Too much sun? My cat maybe? Help! (It gets indirect sunlight everyday, and I keep a calendar of when I water so it’s not excessive)
August
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White residue in leaves?

What’s this white residue in these leaves?
rbhat
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Viburnum Tinus buds getting dry

My parents gave me a couple of months ago a Viburnum Tinus (aka Laurustinus, or Durillo in spanish). It had a lot of "bud bundles" (I don't know the technical name for that, sorry), that looked nice and about to give us a lot of flowers, but they…
motagirl2
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