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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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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2answers
103 views

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
734 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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34 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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181 views

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
154 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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27 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
49 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
50 views

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
141 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
129 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
67 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
78 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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29 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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56 views

White residue in leaves?

What’s this white residue in these leaves?
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2answers
505 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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321 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
58 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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1answer
131 views

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
67 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
450 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
311 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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267 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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20 views

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
267 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
52 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
44 views

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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3answers
317 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 ...
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0answers
11 views

What is wrong with pedilanthus?

I live in Uttar Pradesh, India and I have planted pedilanthus in my vertical garden. They are in bright indirect sunlight. Their tips are turning pink and there is also some white fungus. What should ...
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0answers
27 views

Leaves on my Dracaena reflexa have died because of cold and I trimmed them

I am currently located in Srinagar (India) the winter has been a tad too harsh this year with night temperatures plummeting to -7 degrees C all the leaves on my Dracaena reflexa gehich I had forgotten ...
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2answers
230 views

Why is my plant turning white/yellow

It’s winter here in Quebec city, and I feel like my plant is slowly dying. At first I thought it lacked sun, do I putted it on the windows border, but the furnace in just below so it might have dry ...
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1answer
29 views

What's wrong with my tamarind?

These four saplings are grown from seed around 6-10 months was growing perfect untill around 4 weeks ago I started to see a little bit of yellowing thinking its nothing untill now.
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2answers
2k views

Black Patches on Watermelon Peperomia

My Watermelon Peperomia that I purchased about 3 weeks ago keeps turning black! The leaves get cracks in them and then get these thin black areas that spread. There does not appear to be pests on the ...
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36 views

Buxus sempervirens - Deformed leaves

Can anyone help me? Suddenly my Buxus sempervirens appeared with the new shoots with deformed leaves. I'm in zone 9. It has not been cold though, and yes, it's a lot humidity every night.
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2answers
177 views

New growth on my schefflera is yellow

I have recently repotted my schefflera plant (it stopped growing due to how small the previous pot was) and it’s started growing again but all the new growth is yellow! The old leaves are perfectly ...
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17 views

Brown leaves on shrub

Anyone know what’s happening with this otherwise healthy looking shrub?
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3answers
1k views

Why are my strawberry leaves turning brown at the tips?

As you can see in the picture attached, the leaves of the strawberry plant are turning brown at the tips and I don't know why. While it has recently moved to a new home, it is always indoors by the ...
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2answers
48 views

What is happening to my Serrano Pepper?

I recently started gardening and this is one of my first plants. Can you help me understand what's wrong with it? Location: Souther California (warmer weather). Plant location: In a pot, outside (5th ...
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2answers
56 views

My poor sick apple tree - what’s the mould?

This apple tree has this growth on many of its branches (say, 30%). It also hardly produces any fruit. How can I make this tree healthier?
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0answers
40 views

Why aren't my year-old apple seedlings thriving?

I planted a variety of seeds from apples from a local orchard. They have been growing for almost a year. They are about 8" and have suffered aphids and a white powdery fungus. I have sprayed plants ...
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0answers
146 views

What are these brown and white patches on my jelly bean succulent / sedum rubrotinctum?

I recently bought this jelly bean succulent but I didn't notice these brown and white spots. I really should've check the plant, but I just love succulents and I was too excited. Seems like the white ...
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1answer
591 views

Why are my avocado plant leaves brown and brittle?

I have a small avocado plant that sprouted from seed this summer (June). It was thriving for a while and then it stopped growing and started getting brown leaves. The leaves start getting brown on the ...
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0answers
166 views

Kalanchoe - thin leaves and white spots

This Kalanchoe has been losing leaves for a while now, the existing ones seem thin and white spots have appeared. I have repotted it recently and it has shown signs of improvement, but it still does ...
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0answers
44 views

Dying Peace Lily

I have a Peace Lily which has done well very a year in front of sliding doors. It has started drooping like it needed water to which I watered it and usually it perks right back up. It didn't this ...
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1answer
132 views

Flies on gardenia

My gardenia leaves looks healthy. I moved it indoors more than one month ago and I started noticing few yellow leaves. I spray it with NEEM oil and soap pesticide about once a week. I have noticed ...
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1answer
114 views

Unhealthy orange tree

Our young orange tree (planted in the spring) has been healthy but growing slowly. I’ve noticed light blue spots on the leaves (EDIT: upon a second look, I realized that the spots are really white, ...
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1answer
95 views

What is happening to my Agave attenuata

I have owned the depicted Agave attenuata since about half a year. It was outside until early November when local temperatures became too cold. Now it resides in in a light, moderately heated room. (...
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2answers
3k views

Strange spots on leaves on rubber plant (Ficus Black Night)

I purchased this plant about a couple weeks ago and when purchasing I saw these strange tiny black spots underneath the leaves but I went ahead and purchased anyways since it was the last one left. ...
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2answers
776 views

Reviving rubber tree - almost all leaves are gone - one shoot left

I moved away for a year, and left my rubber tree with a friend - unfortunately I think the move shocked it, and it's now lost almost all of its leaves. Do you have any tips on what I could do to ...
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1answer
258 views

White spots on leaves

Hi. I hope this is right place for the question and that it's not a duplicate I am concerned by the white spots as shown in the picture. What can that be? It affects only one of two plants sitting in ...