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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1answer
29 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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21 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
306 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
74 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
80 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
334 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
41 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
327 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
84 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
770 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
33 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
394 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
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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
610 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
157 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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8 views

Dying Jacaranda

I posted a few weeks back asking you guys why there was a deposit on my Jacaranda leaf. I didn’t got an answer but I found out online it could have something to do with my water and that it was ...
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2answers
869 views

Guttation of my busy lizzie or something wrong?

This plant is in my office with AC on from 8am to 7pm (low humidity); receives strong sun from 2pm to 5pm. I water it around every 4 days when the soil feels dry from my finger dip into the soil. I ...
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2answers
84 views

Why are my aloe’s leaves flattening?

In the past few weeks some of my aloe’s leaves are becoming flat. What is wrong with it? Is there anything I can do? .
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2answers
11k views

What is this green-ish thing inside the orange?

So, inside this orange there is this "alien" thing. Before I want to say that this is GMO, I need an reasonable explanation about this. What is this thing?
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1answer
38 views

Tomato plant w/ multiple symptoms. Under-watering? Over-Watering? Both?

I'm an absolute beginner so bear with me. I've started growing tomatoes but I'm seeing multiple problems: Looks like mushrooms are sprouting under the plant. The bottom of the fruit is black. The ...
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1answer
160 views

Young Mango Tree Dying

Could anyone tell me how to save this tree? I am in planting zone 9b, so I know it is not the climate. When I had it in a pot outside and neglected to water it, the leaves turned brown too. I started ...
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0answers
19 views

Kalanchoe wilting

I bought a kalanchoe around a month ago and have watered it very slightly once every 2 weeks. Recently the leaves have started to turn yellow, soggy and fall on the slightest touch. The soil though is ...
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1answer
35 views

Identifying green prickly branches plant

I am interested to know which plant(s) that is. The one with long branch falling on the ground. Its branches are prickly. The flower, I discovered that two days ago, are white with small orange dots (...
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1answer
64 views

What’s wrong with my mango tree

I have watered it, just trimmed all the really bad ones off, but it still has black on edges of leaves. What can I do?
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0answers
10 views

What's happening to the mung bean plant?

I was trying to plant mung bean in a pod. The germination process is simple and quick, but after moving the plant to grow in soil, then something strange happened. At the beginning after moving to ...
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1answer
62 views

Granny's Maranta Leuconeura (prayer plant) is dying. PLEASE HELP!

Thank you so much for your time. My grandmother passed away last year and her plants were the first of her things we wanted to preserve. I've been horrible at raising plants, giving them to granny to ...
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24 views

Problem with Climbing Aloe mid-stem drying up

I started this on my window sill 3 years ago. It was a lot bigger than current photo, had to cut off dying. The stems are drying up and dying. I did transplant and moved it from back yard (hotter) to ...
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1answer
226 views

What is wrong with my kalanchoe blossfeldiana?

I bought this lovely girl for my mom last May at Vons, and kept it alive since then. It's been in continual bloom. It gets plenty of shade and sun, and I bring it inside at night and back out in the ...
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0answers
27 views

What's wrong with my cucumber?

brown water-soaked, and it starts from the top of cucumber leaves. I put them into a wet condition, but no symptoms of bacterial disease or fungal disease. Really need help
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1answer
25 views

“Ficus elasticus” losing leaves

I've had this Ficus for 3 months now. It started dropping the bottom leaves first, but as there was nothing else wrong and the bottom stem was hardening I assumed it's becoming more like a tree. Last ...
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3answers
52 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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2answers
30k views

Why isn't my lemon tree growing?

We planted a lemon tree five and a half years ago. Today it's about the exact same size as ever. I've tried using citrus fertilizer, but to no avail. We've had dry summers and wet summers, but ...
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7 views

Why does this hydrangea have spots?

Why does this hydrangea have spots? My blackberry has similar spots. Might they be related?
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0answers
19 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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2answers
103 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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1answer
112 views

Washing roots to make sure it has no hidden insects?

My red pepper plant isn't doing too great, so I decided to check the soil and it had dark red worms. I took it out of the pot, and removed all the soil from the roots with a water hose (or so I ...
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0answers
21 views

Golden Pothos Yellowing/Variegation? Possibly Mosaic Virus?

I am wondering if anyone can help me to understand if my Golden Pothos is getting improper care or if it has the mosaic virus. I have moved it to a location with less direct sunlight, but everything ...
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1answer
340 views

What could be causing my top kakis' leaves to turn yellow and sick?

These two kaki were planted last year, and I was thinking there were doing pretty good. But as you'll see on the pictures, leaves are really light green, and the topmost ones show brown and black ...
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2answers
102 views

I really need some help to save my aloe

(Link to album showing the state it's in in more detail : imgur link) Hello there, My aloe isn't feeling so well. It stayed in a really small pot for too long and was slowly dying out, so I ...
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1answer
27 views

Dying leaves on “Dracaena marginata”

I have a Dracaena marginata that I've had for a few years now. I moved it to a new location about a year ago - with the only noticeable difference being that it's a lower-light environment. Similarly, ...
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0answers
19 views

African Violet Flower Issues

I was wondering if anyone knows why my African Violet flowers are dying? I was thinking it is too much sun but not sure if anyone has had this issue and resolved it.
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0answers
15 views

Rust color spots on Tomato Leaves, and Caterpillars

I am getting these spots on tomatoes in my green house. I am in North Carolina so it is really hot. Caterpillars also have been eating the leaves. They mostly like the kale leaves though. How can ...
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0answers
20 views

Is my orchid diseased?

I bought a pair of Vanda orchids online. One of them looks fine and healthy but the other one had black bruising on the leaves more than halfway up the plant. The articles I read.on the net suggest ...
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0answers
21 views

Why are there brown spots developing on my Coral Cactus?

I have had my Coral Cactus for approx 4 years. Noticed brown spots developing on the fan part of cactus..never noticed this before. I am wondering what is the cause and what I can do to fix it
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1answer
33 views

Chrysanthemum blooms partially deformed and colors faded

I bought a potted Chrysanthemum from the local nursery over a month ago while the plant is still budding. Haven't repotted it since day 1. It bloomed very well couple weeks after I bought it and ...
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0answers
27 views

What's wrong with my fairy castle cactus?

My cactus used to be really thick and dark green but now it's so much skinnier and starting to shrivel up. Some of the arms are turning a dusty kind of brown and they're all leaning away from the stem ...
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1answer
49 views

Prickly pear cactus needs help

Hi all, I recently moved into a rental with this mature, potted prickly pear out front. While it didn’t look great at move in, it has definitely gotten worse in the last couple of weeks, with more ...
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0answers
14 views

Why is my “Alocasia amazonia” leaf yellowing and drooping?

Got the plant a week ago in a pot with 4 other plants. I propagated them all into one individual pot each. Suddenly, one of the leaves on one of the plants broke and the leaf starts yellowing. The ...

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