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

learn more… | top users | synonyms

5
votes
1answer
71 views

Why are my Japanese Yews (podocarpus) suddenly dying?

I installed five Japanese Yews (Podocarpus) in the fall, November, of last year here in Austin TX. I checked up on them about a month ago and everything was fine. Now the leaves are turning ...
7
votes
2answers
1k views

Why is my hosta shrinking?

I have a blue giant hosta. It is in fertile soil and gets plenty of water. I had been dividing it every few years but lately it has started to shrink. I don't want to lose it. How can I get it back? ...
4
votes
1answer
78 views

Is my lucky bamboo dying and what can I do about it?

Recently I've noticed my lucky bamboo houseplant had been withering from the top down. I've had it for over a year now and I'm wondering why it is dying. The plant is in a glass bottle of water ...
3
votes
1answer
79 views

Why do my potted plants have stems but no branches?

I have more than 10 plants on my balcony, and almost every one of them has long stems with no branches. We water them every morning, and the sunlight is good. They are like this throughout the year. ...
8
votes
2answers
5k views

Why are my lilacs dying and what can I do about it?

I have some large, old lilacs that seem to be dying. They start out great in the season, then leaves on individual branches start to get a variegated look, then curl, then brown, then finally die. I ...
3
votes
2answers
215 views

What's Wrong with this Orchid?

I had previously asked a question about my Orchids (How Should I Take Care of These Two Phalaenopsis Orchids with Different Behaviors?) and I've read the other questions on the website, however I ...
7
votes
1answer
60 views

Does my mint plant have web blight?

In the pot I see small lumps that look like rocks, but they crush like dirt. Additionally, there's fuzz on the main stem that looks like a spider's web. Finally (what a brown thumb I've got) there's ...
11
votes
1answer
111 views

Tillandsia (air plants) Turning Black and Dying After Watering

I live in a northeast Connecticut boarding school, and have ten tillandsias on the windowsill of my dormitory room. I cannot collect rain water for them because I have no tools to do so, so the water ...
16
votes
5answers
12k views

Why is an indoor pepper plant flowering but not producing fruit?

One of my pepper plants has started to flower, and the petals are falling off to reveal a pepper growing from that stem - well, at least the first two have, and the other flowers seem to be bulging ...
6
votes
4answers
367 views

Are my Emerald Arborvitaes recoverable?

I bought 31 thujas a couple of months ago and some of them are really struggling. I installed a drip line a week ago, but am wondering if these trees are completely dead. Here are a bunch of ...
2
votes
1answer
573 views

Are my Salvia flowers dying?

I just dead headed all my salvias about a week ago and they aren't looking so good. Also, it's been raining like crazy the past week.. maybe this has something to do with it? The leaves are turning ...
27
votes
2answers
864 views

Why did my carrots split in a way that looks like legs?

This is the first year I've grown carrots. What gave them legs? I have a theory that the seedlings merged together. I don't know if that is just silly or if carrots just naturally grow like this.
7
votes
1answer
42 views

Variegated Arboricola shrubs leaves wilting

What can I do to help this Variegated Arboricola to grow healthy and stop wilting? I am in Southern Florida. I was spraying my lawn with Ortho® Weed B Gon® Weed Killer For Lawns Ready-To-Spray2 ...
8
votes
1answer
78 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. Update: 25 Feb 2016 with close up of the stems and an more ...
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.
7
votes
4answers
11k views

Why is my new Acer tree dying?

I recently bought a small red Acer and moved it into a more permanent pot. It's about 2 1/2 feet tall and since I've moved it, the leaves have started to brown and shrivel like a dead leaf would in ...
7
votes
1answer
82 views

What is this white crust forming on my cactus during the growing months?

I live in the UK and have a Trichocereus bridgesii/Echinopsis lageniformis "monstrose" cactus that I bought from a garden centre 3 years ago. Every year in early summer several new stems grow from ...
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 ...
7
votes
0answers
48 views

Why does my banana chili start to wilt and seem to die off when it reaches 500 mm high?

You can see the problem in the picture! I've grown chilies here for 25 years without problems.
10
votes
1answer
223 views

Why are my aloe leaves turning white and brown?

I have had this plant of aloe for years, and it has always given me great satisfaction. Easy to take care of, I had separated it into different pots but now decided to keep it all together into a ...
9
votes
1answer
99 views

What is this tree-like houseplant with long thin leaves? Is it sick?

Can somebody identify this plant? I received it for my Dad's passing and it isn't doing so well. I just moved it and it may be in shock.
9
votes
2answers
127 views

Why are the leaves on my houseplant turning yellow and getting black spots?

I have this shade plant in my home. The leaves are becoming dry, turning yellow and developing black dots on them. I don't know whats wrong with it. If it's a lack of food, I can give it compost, ...
7
votes
2answers
77 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 ...
4
votes
1answer
176 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, ...
9
votes
1answer
94 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
57 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.
5
votes
3answers
59 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 ...
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 ...
6
votes
1answer
63 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 ...
7
votes
3answers
2k 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 ...
6
votes
1answer
71 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 ...
5
votes
1answer
54 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.
4
votes
2answers
74 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 ...
21
votes
2answers
664 views

How do I help my kitchen window herb garden thrive?

For the last couple of years, I've been nursing along a sort of kitchen window herb garden consisting of cilantro, parsley, basil and chives. What I've done is bought live herb plants at our local ...
7
votes
3answers
114 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 ...
4
votes
1answer
86 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 ...
7
votes
1answer
239 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
1answer
1k views

Why are the lower leaves of my tropical Guava yellowing and dropping?

I had a Century Guava (世紀芭樂) shipped over from Taiwan to zone 9 California. It is nearly 6 feet tall. I planted it in the biggest container that IKEA sold, 20 inches wide, 2 feet deep. I drilled many ...
5
votes
1answer
804 views

What are the growing conditions for Camelia azalea, especially its water needs?

I have bought this rare breed of Camellia, the Camellia azalea. It's originally from China I think. I have mixed in some coco husk to allow for good water flow and prevent clogging the soil with too ...
3
votes
1answer
138 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 ...
5
votes
1answer
58 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 ...
4
votes
2answers
137 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 ...
6
votes
1answer
6k views

What is causing curled leaves on different varieties of citrus?

Is anyone able to identify this disease / pest? We have this on several citrus of different types including an orange, grapefruit, lime, and a mandarin orange. My first thought was that it could ...
2
votes
1answer
2k views

How can I make my Moringa Oleifera happy again?

I'm having some problems with my Moringa Oleifera. It's about 6 months old and is placed in a sunny window (oriented south), in southern Sweden. It's been growing well and looked healthy until ...
4
votes
1answer
103 views

What is this insect, which is drilling holes into my rose bush?

I recently bought a rose bush for the first time and planted it in a large pot according to the instructions on the label. It has been about a month since then, the first yellow rose has started to ...
5
votes
2answers
100 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' ...
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 ...
3
votes
3answers
147 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
2answers
13k views

Why is my pine tree turning brown?

I have 4 pine trees (not sure the type but they look like Christmas trees) in my back yard. They were planted at the end of May by the people that we bought the house from. One of them has turned ...
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 ...