Gathering of information and facts to determine the root cause of plant that is failing to thrive.

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4
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1answer
108 views

Oak Leaf Blister (Taphrina caerulescens)

I'm pretty certain my oak has Taphrina caerulescens symptoms. There is yellow bulbs on it since the beginning of the summer. Can it endanger the tree health? How can it be cured?
3
votes
1answer
29 views

Diagnosis: capsicum plants with holes in leaves, brown spots - no bugs visible

While growing chili plants indoors and lately holes in the leaves and brown spots have started to appear. Images: There are no bugs visible on the leaves. The plants are grown indoors, have ample ...
1
vote
0answers
14 views

What's the issue with my avocado plant?

This leaf fell off the plant few days ago.. But I've been noticing this leaf one side dried for almost a month before that, is anything wrong with my plant, is it trying to tell me something? I ...
1
vote
1answer
28 views

Is my tree diseased? Can I cure it?

I have a two-year-old apricot tree about six feet tall growing in a salvaged water tank. Many if not most of the leaves have one or more of little "blisters" on their stalks, as shown below (each ...
0
votes
0answers
29 views

What's disease is damaging the bark of my black currant bush?

I'm getting streaking from all over my black currant bush, and it's getting new growth with a few dead leaves, so what's damaging the bark of my black currant bush to cause it to look like it's having ...
5
votes
1answer
52 views

Are these insect eggs on the bonsai?

We bought a bonsai tree in Houston, TX and we spotted something on the branches. What is it? Should we remove them? As suggested I've taken more pictures and investigated further. I removed ...
2
votes
1answer
24 views

Is mold/mildew in the stalks killing my lucky bamboo?

I've got a lucky bamboo with two stalks. One stalk (right to the bottom and left at the top - blue turtle) looks green and healthy, but the most recent leaves started look yellow-ish. The other stalk (...
4
votes
2answers
63 views

Why are the leaves of my french marigold wilting and causing the flower to droop?

The leaves of my french marigold are wilting, and the flower droops over due to its weight and skinny stem. (I have positioned the flower to lean against the glass this time). This is the 2nd time ...
5
votes
1answer
87 views

Why are my peas dying from the bottom up?

I grow Super Sugar Snap peas in large containers every year, and every year I see the same thing -- around the time they flower, they start dying from the bottom up. This happens quite early -- the ...
2
votes
1answer
44 views

What tree is this which is 12 ft tall and 15ft wide with tiny black fruit

This grows in my backyard and its leaning on the divider and would like to know few more details about it before trimming it. For that if like to know what tree is this first.. -- -- -- -- ...
4
votes
1answer
93 views

Crippled young leaves on pepper plant

What is wrong with my pepper plants? Some of them are showing deformations on young leaves. See this picture: Some of them are showing small holes or cracks, usually with brown edges. Some have ...
3
votes
0answers
16 views

What is causing damage to my okra plant?

What is causing the new leaves of our Ladies' Fingers okra plants to become thin and curl? One of the plants has started to dry at the bottom part of the stem. Location: Kolkata, India.
4
votes
1answer
178 views

What should we do with a 7-8 year old honey locust tree that has been damaged by disease?

2009 diseased honey locust: June of 2016 full view: We have a honey locust that developed a disease within it's first year and an arborist saw it. He told me it is what they call herpes for ...
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vote
0answers
19 views

What is causing dark spots on my blueberry plant's leaves?

This is my first year gardening and it is quite exciting watching my plants grow overtime. My question is that my blueberry plants have these dark spots on their leaves. Any idea what they are or ...
5
votes
1answer
51 views

Why are my basil's stalks turning brown and dying?

I googled and it seems that basil does turn woody after some time but the leaves on these browned stalks look really unhealthy, like I haven't been watering them. Also, the stalks got thinner after ...
7
votes
1answer
63 views

What are these coatings on strawberry stems?

My strawberry plants have some kind of coating on their stems. It looks like dirt, but I've removed it several times and it keeps coming back. It also follows the stem. It doesn't seem to harm the ...
3
votes
1answer
29 views

Why do the leaves on my Kentia palm have dark spots?

My kentia palm has begun having some dark spots which have already damaged some leaves. Can you give me some advice about it? I may have bad luck with kentias, because I like them very much but I have ...
3
votes
1answer
38 views

What causes yellow curling leaves and black bark on an apricot tree?

I have an apricot tree. It was neglected a few years, and then in the last few years I've been trying to prune it. It has never given fruit. Now its leaves have turned yellow and curled, and the bark ...
9
votes
2answers
51 views

What would cause branches in the middle of a pear tree to die?

I had a really nice pear tree. Last year I saw a dead branch in the middle of the tree so I cut it. But this year there are a lot of dead branches in the middle of the tree. I'm afraid I'm doing to ...
4
votes
1answer
43 views

Translucent spots on leaves

Recently several of my plants have developed these translucent spots on their leaves. What is causing this? What should I do? [
4
votes
1answer
49 views

Diagnosing if a tree is dead

I found a very large branch in my yard. Looking up, I was surprised to see a a bare tree amongst the leafy ones, from which this branch had fallen. Not a tree expert but I'm guessing this one is ...
5
votes
1answer
37 views

zucchini plant issues- fruit not setting, blossom buds black tipped & small

i have 4 large zucchini plants. 3 of them are growing beautifully so far this year, however im having issues with 1. all the leaves are dark green, large, and look healthy- except for new growth ...
1
vote
1answer
33 views

Spots on marigold leaves

I was sprouting some French marigolds and noticed some spots on the leaves. They didn't look good, especially since one of the plants didn't get them. I looked them out on the internet and figured it ...
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vote
0answers
33 views

What are the pigments in my orchid?

This orchid has been with me for one week. I don't know if she's ok, she has little points on her flowers and her stalk isn't brown at all. I watered the plant the same day I bought her and yesterday. ...
2
votes
1answer
35 views

Is this a fungi on my plant?

I have bought a Kalanchoe and it was healthy when I bought it. I have four more plants with the same problem (all purchased from a place like ikea in Ecuador). I wonder if it is a fungus, and how to ...
7
votes
0answers
76 views

Why are the leaves on my mango tree turning brown and drying out?

I grew a mango tree last summer from seed in a pot. In the beginning it was extremely healthy looking and fast-growing. When the summer was over, as it gets very cold here in Canada, I took it indoors ...
3
votes
1answer
49 views

What is killing my tomato plants?

Planted my tomatoes two weeks ago, and returned from a week long trip to find them full of holes and generally looking sickly. The last week has been very rainy and borderline cool, which I know is ...
3
votes
1answer
84 views

Revive a dying lavender (for a dummy)

In my recent backyard (since 1.5 year), I have been clumsy (and lazy). This not so young lavender (Lavandula) was blooming last summer, and I neglected cutting the flowers at the right time. I just ...
2
votes
1answer
551 views

Mint is becoming more withered

Recently my mint has been looking less and less healthy. Here's what it looks like right now: I made two changes since when it looked relatively healthy and when it started looking like this, which ...
3
votes
0answers
35 views

New fungus or mold on my basil plant soil

My husband and I are new to gardening. We bought a basil plant a month or so again, and we've been cutting it and starting new plants. Today woke up to this weird mold or fungus. I can't seem to find ...
4
votes
0answers
60 views

What are the big wart-like bumps on my hibiscus leaves?

The leaves on my Hibiscus bushes have developed big wart-like bumps. They are spreading rapidly and it seems like they are killing my bush. What are they, and how can I cure them?
5
votes
1answer
56 views

Are these pea plants sun damaged?

I transplanted a few sugar snap peas into my raised bed a week or two ago and noticed that some of the leaves were turning white. The whiteness starts at the base of the leaf and radiates out from ...
5
votes
3answers
46 views

How do I revive a shocked goji berry bush?

How can I revive a Goji berry bush after it has gone into shock. I moved the bush to a separate larger space and it was OK for the first and second day, but has continued to wilt from then. Will I ...
6
votes
4answers
132 views

How can I revitalize cucumber plants after spraying them for mildew?

I have three cucumber plants planted on my balcony. The plants started great and went on growing. What looked like a promising start is looking like a disappointing end. It started with white ...
4
votes
0answers
47 views

How to start over-pachysandra decimated

I had a beautiful, thick, well established patch of pachysandra in my yard that is now decimated. To put it mildly, I don't have a green thumb and since I have a full time job and three young kids I ...
4
votes
1answer
51 views

What is this white speck on the leaf of my plant?

I found these tiny white web-like spots on many leaves of my plant. What are these specks? And what should I do with them? Ignore them? Wash/Wipe them away with water? Pluck the infected leaves? ...
4
votes
0answers
93 views

Dying French Lilac

I live in South East Tennessee. About 7 years ago I planted two Lilac bushes in my front yard. One is the regular purple kind, the other is called a French Lilac. The purple one started to get too ...
7
votes
4answers
162 views

Why do the leaves of my (very young) Eureka lemon tree look folded?

(Edited to add more detail and an update at the end) I have a small Eureka lemon tree that is few months old, and is currently showing signs of weakness that are worrying me. In more detail, some ...
7
votes
1answer
608 views

Should I be concerned about these purple stems and dead leaves?

I have a small mint plant that a friend grew from a cutting and gave me. He had it in a tiny pot, so I transferred it to another pot in pretty short order, and it's certainly been growing. I have not ...
5
votes
1answer
144 views

White spots at the base of a cactus

Somebody gave me this cactus and I noticed that the base is getting white. Is it normal? Other information: I live in Canada The cactus is indoor and facing the sun all day I used soil for cactus ...
6
votes
1answer
32 views

Are the white sections on my bean plant's leaves caused by white flies?

I have been planting a few beans in my backyard, in a pot. The plants sprout well and start growing well. After a week or less the leaves have these white lines and patches on them. I had pepper ...
6
votes
1answer
84 views

Why is the stem of one of my sunflower seedlings shriveling?

I recently planted some sunflower seedlings and they have been doing fairly well. The only problem I had noticed was that the tips of the leaves were slightly burnt, but even then, the burns weren't ...
7
votes
3answers
104 views

Dying Lawn - brownish/white with moss and clumps

I am trying to figure out what is killing my lawn. The pictures below were taken a few days ago.There is only the one area of this occurring and the yard is about 1/2 acre. The dead area has been ...
5
votes
1answer
31 views

Will grape ivy harm oak and sumac if allowed to spread?

I see what I believe to be grape ivy growing on oaks, sumacs and other chaparral in the San Diego back country. Will this harm those plants if allowed to spread?
6
votes
2answers
63 views

Why are the leaves of my basil yellowing and falling off?

I got this basil from a friend when it was about half this size. It was a bit spindly and looked like it wasn't pruned enough. Since then I cut it regularly and it got some branches and the base even ...
4
votes
1answer
159 views

Why are my Dracaena marginata leaves getting brown spots and falling off?

My dracaena has been losing a lot of leaves recently, and it seems to me that they all have brown spots. They turn yellow and then they fall. My mom says nothing has changed in the way she watered it ...
7
votes
1answer
156 views

Why is my Sago Palm (Cycas Revoluta) leaves yellowing?

I got this plant from IKEA, and transplanted it with a cactus soil mix. However, the leaves are turning yellow from the bottom ring of leaves and spreading to the top ring. What may be the reason and ...
5
votes
1answer
85 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 pale/...
5
votes
2answers
134 views

Does my very young Eureka lemon tree have leaf disease?

I have had a small sprout of lemon tree (Eureka lemon, if I trust the label) for a few months, and for the past two it has been looking weak and sick. In particular, it's not making new leaves (...
4
votes
1answer
87 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 (...