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

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3
votes
1answer
42 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
62 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 ...
8
votes
1answer
6k views

What is causing the bark on my crabapple to crack and peel off?

I have a flowering crabapple in my yard whose bark has several large areas where it cracks and curls away from the wood underneath: Hover over any image for description / click for full size I ...
10
votes
1answer
230 views

Is this an ant colony on this fig tree?

Just noticed this on a fig tree and these are everywhere. It's not just on the leaves but on the stems as well. Is this an ant colony on this fig tree, Or something else? This is my not-too-...
4
votes
1answer
56 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 ...
3
votes
1answer
167 views

Identify this Insect or Fungus. Possible Scale

I do not know the name of the plant and I have battled brown scales on my ficus before at my office. What is attacking this plant? Could it be some type of white scale? It is not mealybugs.
7
votes
3answers
115 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 ...
6
votes
1answer
46 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 ...
6
votes
4answers
156 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 ...
1
vote
1answer
39 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 ...
1
vote
0answers
35 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. ...
5
votes
2answers
2k views

Why does my tree have splitting bark, dripping sap, and dead branches?

Our builder planted this tree, and I have no idea what kind it is. The bark seems to split and a lot of sap runs out of the tree. Since I don't know what kind of tree this is, I haven't been able to ...
2
votes
1answer
37 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 ...
2
votes
4answers
1k 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 ...
7
votes
0answers
116 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 ...
4
votes
1answer
479 views

What is wrong with this desert rose and how can I cure it?

My desert rose appears to have a disease, as shown in the picture above. Every year, the leaves develop these spots and look terrible. It still blooms every year. Here is another picture of it: ...
3
votes
1answer
55 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 ...
8
votes
4answers
16k views

My indoor plant has an orange mold-like substance growing on it and has tiny white bugs. How can I remove it?

I have my very first plant in my cube and it seems to be doing just fine. However, there is an orange mold-like substance growing on the top of the soil, and I can see a few tiny white bugs crawling ...
3
votes
1answer
116 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
557 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 ...
11
votes
4answers
21k views

Why has our lucky bamboo turned yellow?

Our lucky bamboo has turned yellow in a very short time, after we've had it for almost 2 years. We've trimmed all yellow leaves, and changed the pebble to clean the green algae - what else can be done?...
3
votes
0answers
36 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 ...
5
votes
1answer
57 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 ...
4
votes
0answers
62 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
3answers
49 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 ...
4
votes
0answers
50 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 ...
7
votes
4answers
168 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 ...
3
votes
3answers
1k views

Aloe plant is browning and the leaves are thinning

I have recently received a small Aloe plant that I wasn't able to identify past the genus. It does not look healthy, some leaves have become brownish, and their ends thin, as if squeezed out. The ...
4
votes
1answer
54 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
1answer
178 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 ...
4
votes
0answers
108 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 ...
6
votes
1answer
102 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
1answer
613 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
1k views

Aloe plant is yellowing slightly at the tips

I have had this aloe plant for about a year and up until now it's been thriving. Now it's beginning to turn yellow at the tips, like so: I also think whatever's wrong with my aloe has already ...
15
votes
4answers
26k views

Why does my grass have bright green patches?

My yard is about 6 years old (new house). When we put the yard in, the seed was equal parts Fescue, Rye, and Kentucky Bluegrass. We live in NE Ohio. About 2-3 years ago, we started getting these ...
2
votes
3answers
261 views

Why didn't my Meyer Lemon tree produce fruit after it blossomed?

My Meyer Lemon tree was full of flowers this spring. I hand pollinated them using a q-tip, along with help from some insects, when the tree was outside. After the blossoms fell off, it didn't ...
6
votes
1answer
39 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 ...
5
votes
1answer
151 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 ...
5
votes
2answers
7k views

Why does my Norfolk Island pine tree have brown needles and drooping branches?

My Norfolk Island pine is not doing so well; the needles are turning brown and the branches are drooping. Why did this happen to my plant, and how can I cure it? Click photos for full size
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?
20
votes
4answers
14k views

What do purple tomato leaves mean?

Sometimes the leaves of the tomato seedlings we grow in pots gain a purplish shade on the bottom; the plants themselves (don't know if this is a coincidence) also seem to turn out stockier, shorter, ...
8
votes
4answers
39k views

What causes cucumber leaves to turn yellow, brown, wilt, die, and the plants to stop producing?

Every year it seems my cukes will go gang busters then suddenly the leaves turn yellow (starting with yellow spots), then turn brown, wilt and slowly die off. This all happens from the root crown and ...
5
votes
2answers
137 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 (...
6
votes
2answers
70 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 ...
10
votes
1answer
142 views

What is causing this damage on my apple tree?

UPDATE On inspecting all the other branches, I found one of the branches in the following state. It shows the bark beginning to fall off the tip, explaining how the other branches have developed.I cut ...
14
votes
14answers
26k views

How do I get rid of pill bugs in my vegetable garden (or is it even the problem)?

I have had multiple plants in my vegetable garden that have seemed to just vanish from the garden over the period of about a week. I have notice pill bugs eating the remains of the plants. They seem ...
7
votes
1answer
215 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 ...
7
votes
1answer
203 views

Rue with white dots and some 3mm white bugs

I have a Rue plant in my terrace, and for many weeks it has had some sort of plague made of white dots and some slightly bigger bugs, oval shape, no more than 3mm long. I've been using an organic ...
5
votes
1answer
97 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/...
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? ...