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

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4
votes
1answer
81 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 ...
5
votes
1answer
57 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
234 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, ...
4
votes
2answers
79 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 ...
4
votes
2answers
134 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 ...
5
votes
2answers
99 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' ...
3
votes
3answers
143 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 ...
5
votes
1answer
86 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 ...
5
votes
1answer
76 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.
9
votes
2answers
106 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 ...
7
votes
1answer
95 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, ...
5
votes
1answer
64 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 ...
4
votes
2answers
71 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
278 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 ...
3
votes
0answers
66 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 ...
3
votes
1answer
93 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
131 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 ...
5
votes
2answers
101 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 ...
3
votes
1answer
35 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?
4
votes
1answer
83 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 ...
6
votes
1answer
500 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
61 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
92 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 ...
3
votes
1answer
112 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
173 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 ...
9
votes
2answers
189 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
92 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
92 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
136 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
41 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
29 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
105 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 ...
3
votes
2answers
77 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
212 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
4answers
620 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
122 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
116 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
163 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 ...
1
vote
1answer
69 views

Is this wormwood and what can be done to stop their decline?

I've scoured the internet and am still unsure what these plants are! They're starting to die off and I'm trying to do some research on what can be done to save them. They have somewhat feathery ...
1
vote
0answers
51 views

What is causing curling and white, hairy growth on the leaves of my chili plants? [closed]

The leaves on my chili plants have started curling up, and on the underside of the leaves along the petiole, I've noticed a line of very fine white hairs. What's wrong with my plant?
5
votes
1answer
160 views

Raspberry leaf curl disease? Can this be treated or prevented?

About a 1 1/2 months ago I ordered and received a live raspberry plant from Burpee. Burpee lists the plant as Crimson Night Raspberry PPAF. My understanding is that this raspberry is a variety ...
4
votes
1answer
167 views

What is causing the brown-black spots on my apricots?

I've recently bought a house in the Auvergne region of France (South central) which is about 30 years old and that has the good fortune to have several mature fruit trees in the garden (cherry, apple, ...
3
votes
3answers
197 views

What's wrong with my tomato plant?

This is a Great White plant, planted about 30 days ago. It has yellowing leaves with black spots, all tge leaves are drooping, and there are very few flower buds. I'm afraid I might need to dispose of ...
2
votes
2answers
105 views

What is causing damage to my summer squash and zucchini plants?

I have a variety of problems with my summer squash and zucchini plants: The summer squash (and to a smaller degree the zucchini) has clear spots in the leaves: This morning one of the zucchini ...
2
votes
1answer
65 views

Why does my Red Acer plant look like it has twigs but no leaves?

I have two Red Acer plants. They were both young and small when I bought them last year. I did find some bugs on the branches of the green one, so I sprayed them with bug spray. The one with the green ...
3
votes
1answer
117 views

Is my limp Elephant Ear dead?

I have an elephant ear plant. I planted it about three months ago, and it has been limp for the last two days. What used to be open and spread out is floppy and all over itself. It's not yellow. Is ...
7
votes
4answers
1k views

How do I keep “cat grass” alive?

Sometimes I buy a little carton of grass at the pet store for my (indoor) cat to nibble on. She likes it but it always seems to die off within a week or two. I'd really love to have a sustainable ...
9
votes
2answers
189 views

What is causing dry, dark green spots on the leaves of my new basil plant?

I just bought a basil plant this past week at the supermarket to have some fresh basil for cooking. It had some dark green spots on it, which at first I assumed were just dry/dying leaves. I'm not so ...