For questions about a plant that's failing to thrive, and where the cause is unknown.

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5
votes
2answers
45 views

How can I determine if cactus seedlings are dead?

I planted some notocactus seeds sometime in September and many have germinated since then. A few weeks ago, there was an incident where some of my succulents may have experienced frost and I can't be ...
8
votes
1answer
62 views

What is this bonsai tree with serrated elliptic leaves and why has it lost all its leaves?

My son bought me a bonsai tree for Father's day in June last year. It grew new leaves and shoots for a while and has been watered regularly. It has now dropped all its leaves and there does not seem ...
5
votes
1answer
40 views

Why are my strawberry leaves turning yellow?

About a week ago I planted a strawberry plant. New leaves are growing fine but the old big leaves are turning yellow. I don't know what the problem is.
6
votes
1answer
45 views

What would make my apple seedling wilt and looks like it's dying?

I have a little apple sapling that I planted using a seed from an apple at the super market. I live in Auckland, New Zealand and my apple sapling is about 10 cm (4 in) tall. Recently it became very ...
5
votes
1answer
45 views

Why has my orange tree turned yellow and stopped bearing fruit?

I live in Spain, and this year my orange tree has turned yellow all over, with no flowers or fruit. What could it be? I have taken a picture.
5
votes
1answer
40 views

Is this powdery mildew on my tomato?

Just noticed this on my store bought plant (not grown from seed). It's now fruiting, and I don't see any white spots on the leaves.
4
votes
2answers
63 views

What is this “palm” looking houseplant and how do I take care of it?

I'm not sure what this plant is but I've had it for for 3-4 years. I've watered it about twice monthly and it's right by a giant window. For the last month, the branches have been getting weaker and ...
5
votes
3answers
45 views

Why is my Adenium obesum wilting?

This desert rose, Adenium obesum, was put on a window sill on top of a radiator, and did well for approximately 10 days. Then I left for the Holydays. I left the plant with extra water and no ...
7
votes
3answers
77 views

How can I help this plant?

This tiny plant needs help ! The previous tenant left it in the apartment. With a little search, I guess it's a crassula ovata. I live in France, what are the best recommendations do you have ? Is it ...
6
votes
1answer
56 views

What's causing discoloration and spots on my Tomato and Bell Pepper plants?

I had an issue with tomato hornworms. I sprayed my plants with a BT Dipel solution. A few days after I sprayed them, I noticed a change in the plants. I did some research and found that it could be ...
4
votes
1answer
54 views

What is causing this sedum's leaves to curl and etiolate?

A few months ago I took a sedum from a soil plot where they were being used as a ground cover. I think it was Sedum ewersii, Sedum sieboldii, Sedum cauticola or a species very closely related. I ...
4
votes
1answer
47 views

Why is my basil doing poorly after I split it a month ago?

About a month ago I split my basil plant in half since I wanted to give some basil to a friend. I had never split a plant before. During the summer and fall months I kept my plants outside on my ...
7
votes
1answer
121 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, ...
2
votes
2answers
51 views

What are these orange spots on my fiddle fig plant?

I've just noticed some orange-like spots on one of the new leaves on my fiddle fig plant. I water it once a week or whenever the dirt is dry. It sits in my window from morning to evening time. Is this ...
2
votes
2answers
64 views

Why are my tomato plant seedlings dying?

Some of my tomato plants are dying for no reason. I just transplanted a few seedlings in the pot and after 3-4 days, a few are dead and some are doing well. Is this some kind of transplant shock? This ...
3
votes
2answers
59 views

Why are the edges of my cucumber leaves drying out?

I have been growing cucumbers under 40% shade net. Last week the temperature was at 42° Celsius (105° F). At the end of last week, some of the plants started having burning and drying of the leaves' ...
2
votes
3answers
86 views

What is the white stuff on this cactus-type plant?

I have had this plant for more than 10 years now but I do not know its name. What is the name of this plant? The issue is that this plant has a lot of white areas, as shown in the pictures. These ...
3
votes
1answer
52 views

Is this aloe vera root rot?

Can someone verify if this is root rot on my aloe vera? It was starting to wilt so I had to re-pot. There were more root "hairs" but they were slimy and black and most of them stayed with the old ...
2
votes
0answers
50 views

Why are the leaves on my capsicum plant curling and turning brown?

Does anyone have any idea what's happening to my capsicum plant and what I should do about it? There are no visible bugs on the leaves.
5
votes
2answers
89 views

What is causing irregular brown sunken spots on my tomatoes?

I have been growing tomatoes in the same spot in my garden for years. This year most of my tomatoes seem to be affected by a disease which only affects the tomatoes. I prune, water & fertilize the ...
5
votes
1answer
66 views

Who/what is eating my mint?

Who/what is eating my mint? What should I do about it? Can I do something organic? I had destroyed my mint a year ago by spraying a pesticide, so I don't want to go that route. I live in Jaipur, ...
2
votes
0answers
44 views

What are these nodules growing on my miniature lilac?

Does anyone know what is growing on my miniature lilac? The nodules are all over the stems and first appeared in the late spring. I have tried searching the internet for an answer but the common ...
3
votes
2answers
54 views

How much seasonal, internal die-off of Arborvitae is natural and expected?

How much "natural" (i.e., without damaging factors) die-back from the inside of an (otherwise healthy) arborvitae hedge should be expected each year? Stated another way, would an arborvitae in ideal ...
2
votes
1answer
101 views

Why are my chives turning brown on the tips of their leaves?

I grow chives in a pot. In the last few weeks, it grew dramatically. However, in the last days I noticed that the tips of the leaves turned brown. What could it be? Some type of disease? Lack of ...
2
votes
0answers
47 views

Strange brown/dead spots on leaves?

What I have here is a plant which is being affected by something which is making certain spots of its leaves appear to be unhealthy. Does anyone have any idea what's going on? Is this something that ...
2
votes
1answer
50 views

Can anyone identify this infection with my Mango Tree?

The blisters seem to be spreading only to the older (darker, interior) leaves, and the sap is dripping out of the blisters (literally raining down) What is this?
4
votes
2answers
103 views

Is this plant (Radermachera ) sick? Leaves turning yellow and spotty

Previously I did not know the species of the plant in the picture. (The one with the owl ornament). I finally found the sticker. It is Radermachera. In last couple of week I find that many leaves ...
2
votes
0answers
56 views

Why is my lucky bamboo turning yellow? [duplicate]

I have a wrapping of bamboo stalks, maybe 20 or so stalks tied together. 3 or 4 stalks have died one at a time the past 2 months - they start to get yellow-greenish, then more yellow over time. The ...
4
votes
2answers
95 views

Why are some clippings of this plant apparently pure green and others mottled with yellow?

I saw this question on “Why is the foliage turning yellow on this climbing indoor vine?” and have a tangential question. Plants in question are pictured. All indoor plants. So understand the concept ...
2
votes
1answer
27 views

Why are chunks of my Sedum Spectabile snapping off at the stem bases?

Whole chunks of my sedum plant (which looks otherwise healthy) come away in my hand because the stem has snapped/cut clean through. What's causing this, and how can I prevent it?
3
votes
1answer
60 views

What is this plant with large leaves that have a white substance on them?

I have a plant of unknown species on my closed balcony. Since the last few months it seems to vegetate and starts to lose its leaves without producing new ones. For some time there was some white ...
5
votes
1answer
467 views

Why is the foliage turning yellow on this climbing indoor vine?

I've had this plant in water until it grew enough roots and a few more leaves. I'm not sure what kind of plant this is, but its starting to grow longer; when it was only one little leaf when I rescued ...
3
votes
0answers
60 views

Why has my prickly pear cactus gone limp? [duplicate]

I have a new prickly pear that I love and it just went limp on me tonight. I checked the soil and it feels moist but not wet and top inch is bone dry. Around the roots is a little damper. The top ...
5
votes
1answer
75 views

Why do my Chilli plants have curling leaves, falling flowers, and ants?

My Chilli plant leaves are curling, the flowers are falling, and a lot of ants are traveling all the way to the place where the new leaves and flowers are shooting. I have tried burying banana peel ...
1
vote
1answer
61 views

Why is my snake plants' leaf fading in color?

I've had this snake plant for quite some time, but recently one of the leaves has been fading in color. The mix I'm using is perlite based, and I water it once a week. I give it sunlight in the ...
2
votes
1answer
116 views

Why is my leaf changing light green on one side? [closed]

I have several strains that I am watering with the same nutrients but this one is showing this light green discoloration on half of the leaf. None of the other plants are showing this. All conditions ...
8
votes
2answers
166 views

My carrots that I dig from my garden are soft

I have been digging up carrots and have lots left in the ground. All of them are soft and spongy right out of the ground. I have been eating them for three weeks or so. They seem to be safe to eat. ...
3
votes
0answers
65 views

Why has my kiwi plant developed red leaves?

I have grown a kiwi plant which is growing nicely in my office. Recently, some leaves developed a red hue. What is happening here? Do I have to worry?
3
votes
1answer
71 views

What causes sandy, flecked, or speckled leaves like this?

There are several different species of plants in my yard that have developed some kind of condition where the leaves get pale, tiny specks all over them (such that they look kind of sandy). Many of ...
3
votes
1answer
88 views

What is causing the collapsing branches on my Aloe barberae (Aloe bainesii)?

I have a young Aloe barberae (a type of giant tree aloe), about 3 meters tall, which has been in my front yard for three years. I'm in Los Angeles, which has a climate similar to the weather in the ...
2
votes
0answers
40 views

Why are my raspberries' leaves turning brown? [closed]

My yellow berries were doing great until a couple of months ago then the leaves started to turn brown and curl up. It started slowly but almost took over the whole plant. There is new growth on the ...
2
votes
0answers
28 views

Something is killing my snakegourd plants [closed]

My plant's leaves are developing yellow, black, and dry spots all over. The flowers are also drying up before becoming the vegetable itself. There are ants nearby but I don't think ants do this type ...
3
votes
1answer
81 views

What are those black spots on my apples?

I've got two apple trees in the garden and all of their apples are covered in black spots What is this? They are quite different from those What causes black spots on my apples? Any idea how to ...
2
votes
2answers
61 views

Diseased roses: salvagable, or a danger to my other plants?

This poor potted rose bush (don't know the type) has just been getting worse and worse: Clearly a disease, but what? Can it be saved? I've already pruned 2 branches that had basically died, but ...
1
vote
1answer
68 views

Garden tree seems “sick”

I have multiple of these trees and one of them seems "sick" - it barely has any leaves and there is some discoloration on it. Is there anything I can do to treat it or do I basically have to rip it ...
2
votes
2answers
101 views

Why are my Vinca and other potted plants wilting, despite following care instructions?

Some days ago I posted some doubts about my Vinca (probably a Catharansus rosea) because it started to look bad. After taking care of it as told, it kept getting worse. The same thing happened with ...
2
votes
3answers
260 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 ...
2
votes
1answer
99 views

What is this white stuff on my lime tree and should I be concerned?

My otherwise healthy lime tree (5 years old), has an odd white growth over it's surface. The ants seem to enjoy it. Is this something that needs to be treated immediately or can I do it in the ...
5
votes
3answers
89 views

Spots & holes appearing on rocket leaves

Does anyone know what these spots & holes are that appeared all over my otherwise happy rocket crop recently? I'm not sure if it's related, but there has been a lot of rainfall in my area ...
3
votes
2answers
118 views

dying leaves on Japanese maple: water damage, drought, or disease?

we had this Japanese maple placed last year by our landscaper, and it did well. this year it seemed to be doing well, but we just noticed these scattered branches with a bunch of curled leaves, and ...