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Questions tagged [diagnosis]

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

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Apple tree concerns

I purchased a house with an apple tree, maybe 15' tall and 6" in diameter. The tree has two longer branches and I was wondering how to go about trimming them. If anyone can tell me where to make the ...
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1answer
23 views

Is this Orchid dying?

I've had these orchid for about a month and it was doing really well but now it looks like its dying.What type of orchid is this? How do I make it bloom again?
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Sansevieria disease

Anyone know what is happening to this sansevieria?
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1answer
44 views

Plant has yellow things on it

What are these things on my plant?? It started as small yellow dust then it grew to these weird fungi looking things on my plants. Is it time to throw it out?
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1answer
33 views

What disease is this (tomato plants)?

I got these seedlings that i re-potted. The bigger leaves get white/yellow spots and the baby leaves go dark as they sprout and wilt very fast. I have a few varieties in small containers that seem to ...
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1answer
21 views

Scale like skin on indoor dragonfruit plant. Help!

I’m a little concerned about my dragonfruit plant (at least I think that’s what it is-bought it as a “cactus”). It has always had a little of this scaling, but it has gotten worse recently. I’m just ...
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1answer
20 views

Newbie with yellow/falling avocado tree leaves

First time newbie here: I've received an avocado tree as a gift no so long ago (April 3rd) since I always wanted to have one (although planting it myself from scratch hehe). However, my plant has ...
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1answer
14 views

Can this fittonia argyroneura be saved?

I gave my friend a fittonia that I propagated from my own plant. Since she's had it, I've been checking up on it a bit, letting her know the best light placement, etc. Almost a year since I last ...
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1answer
15 views

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 ...
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1answer
31 views

Monkey Puzzle Tree wilting/dying

My monkey puzzle tree is wilting- branches turning brown/black and doesn't feel particularly firm to touch like it used to. I got it last November and kept it inside over the winter as I thought it ...
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0answers
39 views

Why are my orange trees dropping new leaves and getting dry?

Up until a few days ago, these orange trees were doing fine and well. They had nice new growth. Since three days ago I've been finding them dropping some of the newer leaves, along with some of the ...
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1answer
38 views

Why are my newly planted Honeysuckle leaves turning purple/brown?

I am based in London, UK. I have recently acquired a late Dutch Honeysuckle (Lonicera periclymenum 'Serotina'). However, after a few weeks, the leaves have started going slightly purple - I want to ...
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1answer
37 views

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 ...
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1answer
21 views

Crippled nectarine tree leaves

Not sure what's causing this crippling on the leaves of nectarine leaves. Please help. Zone:9 (northern California)
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1answer
33 views

Is something wrong with my ZZ plant?

This morning I looked over my ZZ plant and saw these white spots underneath some of the leaves. The best match I could find is something called powdery mildew. Is it that or is it something else?
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1answer
39 views

Plant appears to die quickly

Bought this plant a fortnight ago and it was in perfect health. Suddenly it’s whittling away. Any reason this could happen so quickly. It’s not too hot, too cold, nor is it heavily watered. It looks ...
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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-...
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Drainage question; tall, cylindrical pot vs stouter one

I recently repotted a Euphorbia Milii that hasn't been doing too well. I posted a question on the forum, and it seemed like the pot was too large. Specifically, I got this answer from a helpful forum ...
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1answer
120 views

Carolina Reaper problem

I have a problem on a Carolina Reaper. It's +- 2 months old. I grow them indoors(living room, +- 20 degrees celcius) under a 45 Watt LED grow panel (50 cm above the plants). I use universal potting ...
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1answer
60 views

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?
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0answers
24 views

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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1answer
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Help - kentia palm dying

Photos: https://imgur.com/a/OY1lPGy/ Background: My SO and I got this ~4 ft kentia palm about 2 months ago. Our cat chewed it up a bit at first, but we put it on a table so she couldn’t get to it ...
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1answer
33 views

Is my aloe Vera dying

[ The leaves have lots of indents, there are marks on the leaves and some of the leaf tips are turning brown
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31 views

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 ...
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0answers
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Areca Palm just dry, or something more sinister? [duplicate]

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(...
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1answer
28 views

Avocado plant with brown spots on the leaves

My avocado has developed brown spots on the leaves trying to figure out what it is
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0answers
24 views

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....
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1answer
39 views

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!
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1answer
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Indoor plant leaves blackening- help! It may take over second plant

One leaf is almost completely curled and black and the others have started progressing with the same thing. It’s been sitting with direct sunlight by the window during our winter in Maryland. Is it ...
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1answer
47 views

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 ...
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1answer
46 views

What’s this orange stuff growing on my snake plant?

I just noticed these things growing alongside my snake plant. Should I take them out?
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1answer
37 views

12 year old peace lily

I have a 12-year-old peace lily which I received at my husband‘s funeral. I am desperately trying to save it. It seemed to have taken a turn for the worse about four months ago. I babied it, repotted ...
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2answers
44 views

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 ...
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0answers
27 views

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)
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2answers
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White residue in leaves?

What’s this white residue in these leaves?
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2answers
71 views

Help! What is wrong with this Coleus? Overwatered? Underwatered?

Not entirely sure this IS a Coleus plant so apologies if I'm getting it wrong from the start! Currently housesitting for a friend and while it was looking a little limp when she left, it's taken a ...
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0answers
35 views

Why do the leaves of my new Chinese Evergreen turn yellow even if I wait 5 weeks between watering?

Is there any way to tell when a Chinese evergreen really needs watering? After maintaining a Chinese evergreen for 24 years, it died of old age. This plant taught me to wait till it drooped before ...
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1answer
29 views

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 ...
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0answers
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What to do for the young avocado plant with brown spots on its leaves?

I've read the answers to two similar questions but as the answers were opposing, i couldn't be sure what action to take. Here is what I have: Here (Figure 1) is my Avocado plant, which i had potted ...
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1answer
41 views

Frostbitten cactus, turning yellow and black, can it recover?

I've had this cactus for a while now, last spring I moved it to the balcony and kept it there till now. I thought everything was ok but then I noticed that the side not facing the window was turning ...
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1answer
55 views

Dying/dead peace lily? Any hope of reviving it?

I’m wondering if I should keep trying to revive this peace lily or let it go. Its leaves are darkening and yellowing, and the yellow water in its water dish is grossing me out. I’m assuming it was ...
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1answer
52 views

Wounded rhipsalis hanging cacti

I need advice caring for my hanging cacti. I think it's rhipsalis lepismium bolivianum? It's started to develop black patches along its limbs. Also some weird spots. And some white muck gathering, ...
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0answers
44 views

Black spots on echeveria leaves - cause?

Activity on 28-01-2019: Watered - soil is damp as of 29-01-2019, but it is a fast-draining cactus mix. Pest control - sprayed 2~3 times with pyrethrum bug spray (brand below) Fertilized - about half ...
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0answers
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What is this coloration on my Pachira aquatica?

About a month or two ago, a few of my succulents died from some white fungus. Since then, I’ve been a bit paranoid. I’m seeing some white discoloration on the tips of the leaves of my Pachira ...
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2answers
90 views

What kind of cactus is this, and why is it drooping?

Why is this cactus drooping? I tied the top so it would stay upright and not droop, but now it’s starting to droop anyway over a period of two months. The plant belonged to my deceased fiancé and I ...
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1answer
49 views

Please help me identify this houseplant

I’ve had this plant for about two years and it grows so well in our sunny office window. I don’t know what it is and it’s getting tall that it droops. Should I be tying it up? Should I be trimming it? ...
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1answer
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my sago palm is yellowing

I bought 2 little sago palms in a small pot with glued stones around it. I try to water it but can't tell if the soil is dry or wet because of the stones glued around them. What should I do?
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china doll tree

I have a China doll tree that is only a metre away from the house. It is approx. 8 feet tall. I would like to remove it but would it cause damage to the foundation?. I believe it is the cause of ...
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3answers
311 views

Is this pest? Please help me get rid of it

This is the leaf of my Poinsettia. I bought it just two days ago from a local nursery. It came with these tiny yellow, black, white spots which look like pest. The white ones are definitely some kind ...