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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Tree Philodendron brown and black tips

This Tree Philodendron was doing fine and after re-potting it, it sprouted new leaf which was perfect. However, the plant soon began to wilt (the new shoot only) and now one older leaf has some black ...
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1answer
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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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14 views

Huge fungi in the cactus pot

A year ago or so, my cactus started developing yellow spots all over and was diagnosed with a fungal infection. As instructed, I got an antifungal spray (copper-based) and was spraying it once a week ...
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1answer
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Avocado tree to skinny

What can I do to make it fuller Avocado tree. About 4 months old Only 3 leaves 21” tall. Already pinched back 2 times. South facing window indoors daytime diffused light. Direct sun one day burnt 2 ...
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What are these Mites/Aphids on Bamboo?

We live in Pune, India which has a dry climate. We see these aphids or mites on the leaves of our bamboo. The round cocoons are on the under side of the leaves. (Is cocoon the correct word?) The ...
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2answers
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What's causing the yellow spots on my rosemary?

I live in Carmel Valley, San Diego and I have a rosemary plant that has been sitting in my back yard for almost 6 years. The weather has not changed for quite a long time. The soil is a free draining ...
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2answers
647 views

Avocado leaves browning and dying

Anyone know what is going on with my avocado tree last year it was fine i grew it from a seed but this year the leaves have suddenly started browning and dying off and at first i thought i was over-...
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What is wrong with my variegated pittosporum?

All the green-ish leaves visible on the lower branches in the photo is what the plant was when i first got it last year. Ever since, all the newer growth has been slow to come through out the season ...
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Are these spider mites (eggs) on my Hedera Helix?

I noticed some small white dots on the underside of the leaves of my Hedera Hedix. They look like grains of salt. Are they spider mite eggs? Is there any danger for nearby plants?
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What's wrong with my pilea peperomioides?

I recently moved this little Pilea to a windowsill of a south-east facing window. This means it gets some direct morning sun, whereas before it was in a room with a skylight and only got indirect ...
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Moringa tree has yellow leaves

My Moringa tree is in a pot, it's about 3 ft' tall, leaves keep getting yellow and fall off. I read that Epsom salt is good and coffee. Any suggestions? It gets full sun in New Orleans.
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1answer
32 views

Can this tree be saved?

This is an Amur Maple, Acer Ginnala "Flame", planted in USDA zone 4 about 15 years ago. There are others like it planted in the neighbourhood who also have the cracks in the trunk this one does. I ...
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1answer
34 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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Can someone help me diagnose what is wrong with my cactus and how do I treat it?

Does anyone know what is happening to my cactus. It was a beautiful specimen when I got it and was fine for a year or so, but then it gradually started with the browning and weird skin disease. It ...
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1answer
780 views

Why is my avocado plant dying with brown, decaying leaves?

A few years ago I grew an avacado plant from some seed and some time later leaves started turning brown and fell from the plant. I tried a lot, but landed on the thought that perhaps since it has ...
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Lace Aloe (a.Aristata)after separating in two

I have split a rather young lace aloe (Picture 1). After splitting, drying, and replanting both, the smaller piece is thriving but the larger “half” is (again, I think) rotting lance by lance (Picture ...
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1answer
33 views

My Norway Spruce is Dying

https://imgur.com/IN6LCDu https://imgur.com/8lbVDFe (Follow links for pictures) I got some trees for Christmas, and most of them are thriving, but my Norway Spruce is not doing too hot. At first, I ...
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1answer
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chillis going slightly yellow only produced one fruit took it off when it was ripe

chillis slightly going yellow only produced one fruit i took it off when ripe its still flowing but the flowers are dropping and not producing any more fruit
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1answer
26 views

Blackberry bushes with No Berries . Thornless berries puchased from Conservation Dept

I purchase 8 thornless blackberry bushes from the local Pa. (Wayne County) Conservation Dept. about 8 years ago. They look vigorous and in good, loamy soil and have good drainage with full sun. They ...
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1answer
95 views

My money plant is dieing out. Please help!

I have got the money plant as a Christmas gift last year on 2018. It was indoor till October 2019 at my office window. i used to take care of it, watering whenever required. but post October month it ...
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5answers
16k views

Why did a section of leaves on my Holly bush turn brown?

We have two East Malatka Holly bushes in our flowerbed, which were only planted 5 months ago (they were in 15 gal pots, so already pretty large). They have been doing well, until just the last week ...
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1answer
63 views

What are these white things on new leaves?

I have roselle planted. But I see these on the leaves. What are these? Edit: Added closeups
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1answer
44 views

What's wrong with my house plant? (Chamaedorea)

I should start with the fact that I know next to nothing about plants and plant care, but I'm keen to learn and keep my plants alive! I have two indoor palm type plants, one has been doing absolutely ...
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1answer
27 views

Yellow-brown spots on Dracana Fragrans

I know there have been a few similar questions posed but was hoping to get some additional clarity. My Dracana Fragans has experience some spotting over the last couple of months, mostly on new ...
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0answers
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Pomegranate bonsai looks ill (reddish brown leaves and leaf curl)

I live in coastal Virginia zone 7b and have had a small pomegranate bonsai for 6 years now. Unfortunately last spring it started to show signs of stress or nutritional deficiency. The leaves started ...
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3answers
72 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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266 views

Dead branches and new growth on the same plant

I planted 5 Japanese Yews in the Spring and 3 of them have both dead/dying branches and new growth on the same plant. What would cause this? I live in North Texas. Thank you I believe they are ...
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1answer
172 views

Peach tree leaves turning yellow

I have a Hale Haven peach tree that has leaves turning yellow and falling off. I live in Kansas and we just had so much rain. I have never seen this yellowing before this year. I also have rug laid ...
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1answer
46 views

What could be causing these yellow spots on my tomato leaves

I have a couple tomato plants that have small yellow spots on the leaves. These plants are about 6 weeks old. I'm planning on transplanting them to my garden this weekend. Any idea what caused this ...
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1answer
81 views

Why is Norway spruce dead at top

Just recently had it sprayed from professional as suggested for boost and growth. Could it be from that or something else. They are coming back next week.
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3answers
10k views

What is causing curled and deformed capsicum and chilli leaves?

I live in western South Australia (Mediterranean climate with sandy, pH neutral soils). I turned over the vegetable garden (history unknown) in August/September, adding Dynamic Lifter for vegetables, ...
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2answers
1k views

Why is my Dwarf Jade plant dropping more than dozens of leaves?

My Dwarf Jade plant has been dropping dozens of leaves (both good and bad leaves) every day for the past few days. It receives bright indirect light. What is the case? Is it overwatering or ...
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0answers
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White/tan papery patches on cilantro leaves

Leaves on my cilantro plants started looking like this. Any idea what this could be? I have two plants that I bought grown and replanted in a bed outside. I’m in SC.
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1answer
271 views

What caused this red spot on my Haworthia plant?

My Haworthia plant has this strange red spot. I'm not sure what it is - is my plant okay?
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2answers
37 views

Browning / Curling leaf on a Brook cherry sapling

I have a Brook Cherry sapling planted from seed that has some browning/curling around one of its bottom-most leaves (leaf #1) and slight curling of its other bottom most leaf (leaf #2). The seed came ...
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1answer
31 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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1answer
106 views

What is this white web-like, mold-like thing on the plant

what is this web-like, mold-like thing on the base of the watch chain succulent plant? I searched in google for plant "molds" --> I saw powdery mildew. I think this is not that. It's more similar to ...
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2answers
102 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
50 views

What causes a planted seed not have leaves

I started a avacado tree from seed and it is about two feet tall but it only has new leaves at the top of it and the rest is bare stalk. what do I need to do to make it make more leaves.
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1answer
25 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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2answers
50 views

Citrus saplings in need of some help wants to grow! Please help!

I have been trying to grow a pair of lemon saplings (from seed) with much care as to not over water. I previously tried to grow some from seeds and several unfortunately did not survive (due to my ...
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3answers
81 views

Spider plant getting brown. Too cold or over-watering?

This spider plant was doing really fine until winter struck. Now the plant was outside in y balcony, was kept away from cold drafts. I was really careful with the watering and watered after the soil ...
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1answer
150 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
60 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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2answers
6k 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
41 views

Aloe vera sickness

(https://i.stack.imgur.com/YzUrl.jpg) My aloevera plant was having black and brown spots on it. So I asked on gardening stack exchange for the same. (Why is my aloe vera plant having plant spots?). ...
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2answers
589 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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1answer
64 views

Tomato Plants Suddenly Weak, Falling Over and Yellowing

My tomato plants were doing great till a few days ago. Suddenly they started getting these white patches on the leaves, especially the leaves at the top and new leaves at the bottom. Some leaves, ...
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1answer
8k views

Why is my avocado plant drooping and looking weak?

I have an avocado plant I started from a pit, it’s around 1.5 years old. Around a month ago we put it in a bigger pot, because it stopped growing and we thought it needed more space. In these last ...
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5answers
12k views

Why does my Goji Berry produce many flowers but never bear fruit?

I have a 4 foot tall Goji Berry plant that has been prolifically producing flowers all year long. None of the flowers ever become fruit. I've witnessed hummingbirds poke into each flower because they ...

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