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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11 views

Anthurium misshapen leaves, brown marks and yellowing leaves

My anthurium is not looking his best lately and I don't know what is wrong. I have repotted him somewhere in spring this year and he was doing great until a few months ago. I haven't changed anything ...
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Rose shrub suddenly dying 1 month after transplantion

I live in South India .We bought this yellow rose 4 years ago, which blooms and slowly turns white in color after few days.[Since I don't know which variety it is] Earlier,we planted the shrub beside ...
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26 views

Coleus leaves have been slowly losing their color, whats going wrong?

I recently planted a set of three coleuses outside (in Florida) and two seem to be doing fine but one has started losing the color in its leaves. I'm worried about it dying, can someone tell me what ...
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Massive dead zone on mature Japanese Cedar / Cryptomeria Japonica

Recently noticed this huge area of dead growth in the plant's mid-section. Top of tree is still green, as is the other side of the tree. Has been healthy for up until now. I live on Long Island, NY (...
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35 views

What do I do with these roselle plants?

Due to other work, I was unable to transplant these roselle plants to smaller containers. Their roots grew tangled and the leaves were very sparse and discoloured/reddish tipped. Though these bore one ...
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Peace Lily: Are these spores or eggs?

So i have thise peace lily that has been recently been getting brown spots all over the leaves and today i decided to take a closer look at the whole plant and see if i can find anything immediately ...
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1answer
50 views

Why is my ivy losing its leaves?

I am super worried about my ivy plant. I bought it a few weeks ago and it looks like is already dying! The leaves have these brownish, almost black, areas all over the plant, especially the upper ...
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1answer
46 views

Is this green scale?

I have a small orange tree, and for the last few days the leaves are getting sticky and some green bumps and small white dots appeared in the trunk and leaves. From my google search it looks like ...
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What is wrong with this desert rose and how can I cure it?

My desert rose appears to have a disease, as shown in the picture above. Every year, the leaves develop these spots and look terrible. It still blooms every year. Here is another picture of it: ...
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What is happening to our potato plants? (going black, wilting)

We have a row of 3 different heirloom potato varieties, 50 originally, of which we've lost about 15 to a problem we'd like to identify. The following photos show the start of the issue, through to a ...
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What’s wrong with my mango tree?

The mangos sometimes fall off, but most of them develop like a split right in the middle where it’s curved (dry, then it falls off). This did not happen last year. We water it 2-3 times a week, ...
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Only the lowest branches of my Pine tree is turning brown and their needles are falling off: why it happened and how to avoid it

More than a month ago, I bought some kind of Pine tree. At the time, the all the branches and needle leaves were fine: The seller told me to water it twice a week. I did so. I keep the tree inside, ...
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229 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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501 views

Why is my aloe vera plant having plant spots?

My aloe vera plant is having black and brown spots. Help me figure it out .
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Olive tree leaves are turning brown but stays on the branches

We transplanted a mature olive tree way back March and it's been adjusting well on the new location. But starting mid of July, at the peak of summer here in Qatar, the leaves of 1 big branch started ...
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How to save dying vine

I have this Cathedral Gem Sausage Vine on my trellis. It was planted two years ago and up until at least last October or so it was fine. I live in the pacific northwest and we've had very little sun ...
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Kalanchoe issues. Leggy, yellowing leaves, etc

I've had this kalanchoe for a year and a half and it was doing great until a couple months ago. It started getting very tall, almost etiolated with all the bottom leaves dying. I was likely watering ...
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Why are the leaves on my peas and beans turning pale/yellow/brown?

I have a few pea and bean plants that I have recently planted. They have grown pretty well but one pea plant in particular is starting to look a sickly yellow/pale. The bean plants still look healthy ...
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1answer
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Black spots with white ring around them on Zinnia leaves

We have grown Zinnias in our garden since 3-4 years, In South India . The initial batches were very healthy and robust ,with stunning flowers. but since the last 1 year or so I have noticed that the ...
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1answer
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What's this brown spot on my jade leaf?

What's this brown spot on the leaf of my jade plant? I first saw it on the leaf about a week ago. A few days before I saw it, I had to remove one of its bottom leaves because it looked like it was ...
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1answer
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Unable to grow curry leaf plant successfully, what could I be doing wrong?

Some background - As you can see in the picture below, my plant has plenty of those fruits now. After watching a Youtube video about 3 weeks back, I pluck few of these that were black and seems ready (...
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The new leaves near the stem of my Dracaena are turning black

Why are these turning black.. they were green when I got this plant a few weeks black. Also the tips of some of the leaves are turning brown..please help.. I am new to this.. I am watering after ...
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272 views

Cactus shoots drooping and turning olive

Hey Gardening & Landscaping SE, happy to be a new member! I am concerned for my cactus shoots and hope you are willing to help me out. Short version: My 3,5 months old cactus shoots are starting ...
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1answer
124 views

Why does my dragon tree have white spots and brown leaves?

My dracaena has started to develop some brown leaf tips and white spots all over the plant, i transplanted the tree into a bigger pot about a week ago and ever since it’s been developing those spots. ...
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1answer
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My ivy leaves are turning hard with yellow to dark brown shade

My ivy leaves are turning a yellow shade then turning to a brown shade. The leaves also get a little more hard than usual. Place is Kashmir, India
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Curio Mount Everest

I am new to house plants and brought my Curio a couple of weeks ago. I put it in a room that has a lot of light but not direct sun light. The bottom of one of the stems turned a grey, purple colour I ...
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Can anyone help me identify the problem with my Areca Palm

I got this plant some 2 months ago from a local nursery and recently I noticed dark brown and yellow spots and now It started dying as you can see int the second image. I am watering it when the upper ...
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1answer
17 views

Marigold Wilting at young age

I am a really novice gardener have never grown anything. Being novice I ended up growing seeds directly into 100% compost without knowing that it needs to be mixed with soil. The roots grew pretty ...
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3answers
58 views

What is damaging my tree Aloe?

I've had a Aloe plant for many years, mostly indoors. I finally repotted it a couple of months ago and split most of the pups off. All of the plants seem to have some sort of disease since then, ...
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1answer
5k views

Why are my anthurium leaves rapidly turning yellow?

My white anthurium had been sitting in the entrance way with frosted glass (and therefore receiving diffused light) from last June to this January (Northern hemisphere). It was doing perfectly fine ...
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2answers
126 views

Lilac Tree Branches Suddenly Dying

I have a Japanese Lilac Tree that was fine 2 weeks ago now there is 2 dead branches and 1 that is starting to die. They are not isolated and are random, with the first near the base of the canopy one ...
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25 views

english ivy leaves browning suddenly

All of a sudden the leaves started turning brown and shriveling up and it started spreading to other plants. Anyone know the cause of this? The plants get regular water (soil is usually moist) and no ...
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1answer
35 views

Can I save this Northfork Pine?

I recently re-potted this guy to a pot thang would drain at the bottom and have moved him over the course of a few months to a spot that has more light. The color has continued to get darker and the ...
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44 views

What are these orange spots on my Dracaena Fragrans?

Sorry for the long question, feel free to just go off of the pictures! Background info.: I've had him for about 10 months. He gets bright indirect light in a SW window, watered with rain or de-...
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1answer
315 views

Pinus sylvestris yellowing problem

I'm pretty new to gardening and I recently (~2 weeks ago) got a Pinus sylvestris 'Fastigiata' plant and I noticed that some needles started to yellow. Here are a few pics:- The yellowing is mostly on ...
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1answer
76 views

Why are the leaves of my peace lily plant turning yellow?

My peace lily plant was very robust and had lots of flowers. However, its leaves started turning yellow and now it looks like I am going to lose it. What can I do?
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1answer
90 views

Young mango tree leaves get blackish and fall off

I have planted a mango seed and it was growing fine until a few days ago I noticed that one of the leaves had started going blackish. When I touched it, it fell. Yesterday I noticed that another one ...
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3answers
380 views

Why are the new growths on my Sago Palm withering and turning yellow/vrown

I’ve had this sago palm for just over a week. When I bought it, the new growths were already a little bit sad looking, and they’ve since deteriorated. The older parts are healthy and green, and have ...
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1answer
42 views

I keep getting differing answers to this cucumber question

I was always told to remove the male flowers from a cucumber plant or the fruits will be bitter, I then read "female flowers need to be pollinated with the male flowers or the fruits will not set&...
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2answers
351 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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1answer
85 views

cherry tree leaf brown edge

I bought cordon apple trees and cherry trees 22 May, 2019. recently I start having problems. It was identified as apple scab and recommended Vitax Copper Mixture, which I spread on all the trees apple ...
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1answer
838 views

Why are my Monstera's leaves turning brown and drooping?

I just bought my plant last month, and recently the leaves have been getting brown spots on them and the leaves and stems are weak and drooping close to the ground. I kept it in the same pot I bought ...
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1answer
35 views

Dragon tree plant dying?

Brand new to this world but hoping someone can help :) I’ve had this dragon tree plant in my bathroom for around a year. Checked the roots about 6 weeks ago and noticed they were starting to grow ...
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2answers
429 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
5k views

Why won't my mulberry tree set fruit?

I have a mulberry tree which has been in my garden for 4 years. I bought it at a market and I think it was a seedling. It has grown to a height of 4 metres and is thriving. Each year it has flowered ...
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1answer
653 views

Is my red oak tree dead? Only suckers growing:(

I need help! I got this tree approximately two years ago May 2017 to be exact and it was fluffy lots of leaves!! However, this year it did not grow any new leaves only suckers, can anyone please give ...
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1answer
3k views

Kentia Palm's Outer Leaves Are Browning Quickly

I have bought a kentia palm about a year ago and I live in a warm and relatively humid climate. Some of the leaf tips have gone brown here and there in the past year, but I have noticed that the outer ...
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Begonia (angel wing) has scraggly leaves

My begonia has developed the weirdest leaf symptoms over the last few months and I can’t figure out what’s wrong. The stems are strong and the growth rate seems normal, but nearly every leaf developed ...
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2answers
165 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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