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

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5
votes
1answer
746 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 ...
1
vote
1answer
48 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 ...
7
votes
1answer
666 views

What is causing the leaves to develop brownish patches between the veins on my tomato plant?

My tomato plant's leaves are turning brown in some places (photo). Zoom in It seems to affect mostly older leaves, but not all of them, as you can see in the image. It starts with a few small brown ...
1
vote
0answers
24 views

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

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?
3
votes
3answers
133 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 ...
4
votes
1answer
48 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 ...
1
vote
0answers
30 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, ...
2
votes
2answers
81 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 ...
1
vote
1answer
24 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 ...
2
votes
2answers
166 views

Night-Blooming Jasmine plant continues to wilt even after treating with baking soda-water spray

I recently purchased some night-blooming jasmine plants. After a week the plants are wilting. I transferred them to new pots with different soil but no improvement noticed. I also sprayed numerous ...
2
votes
1answer
41 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 ...
3
votes
3answers
68 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 ...
7
votes
2answers
91 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 ...
3
votes
2answers
514 views

Why did my young cucumbers turn yellow and fall off?

My baby cucumbers turned yellow and fell off. I have 2 cucumber plants that produced 8 cucumbers each, however, the other flowers with small cucumbers turned yellow and fell off. What causes that ...
5
votes
1answer
44 views

Why isn't our Victoria Plum tree producing healthy fruit?

We have a 4 year old Victoria Plum tree. We prune it, and water it well. We were excited this year when it had the best show of blossoms so far. After blooming, a large number of tiny green plums ...
3
votes
1answer
65 views

Diagnose Sugar Maple problem

How does one diagnose Sugar Maple problems? There is some green on the trunk and the leaves haven't filled out for a couple years. Climate: Southern Michigan Soil: ~18 inches of topsoil with clay ...
2
votes
1answer
36 views

Why would one of my Prairiefire crabapple trees seem stunted this year?

I planted two Prairiefire Crabapple trees on my front lawn about ten years ago. Each spring, they flower beautifully together, then fruit, then leaves. This year one of them seemed to lag behind. ...
3
votes
1answer
68 views

Succulent withering/rotting at the base

This succulent seems fine at the extremities, but it started to wither from the base up... Can anyone identify it so I can find how to grow it properly? I put a few drops of water everyday on it, ...
17
votes
2answers
8k views

Why has my mint plant gone all woody/sparse/stringy?

I grew my mint plant in a pot to contain the roots, and that has worked well for 3-4 months. However, the plant is not really producing fresh leaves now. Is there anything I can do?
1
vote
0answers
25 views

What is causing brown spots on my Philodendron?

I have dark brown spots appearing on my very large Philodendron and have no idea what is causing them. They are not turning yellow like the soil is too dry or they are getting too much sun. Does ...
1
vote
2answers
93 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 ...
0
votes
1answer
53 views

What is happening to my chili plants?

Okay, so I had some green aphids and killed them with an acetamiprid based insecticide. Everything after that seemed fine until recently. Some whiteflies started showing and I treated those with a ...
3
votes
2answers
388 views

Why is my Japanese painted fern struggling?

I bought a Japanese painted fern several weeks ago. It was on the store's "reduced price" shelf, so it wasn't in perfect shape, but I figured I could try to nurse it back to health. So far, though, ...
1
vote
0answers
35 views

What should I do to prevent kiwi leaves losing their color?

My kiwi leaves are losing their green color too fast. Even new, small leaves can lose it and fall off. The kiwi is 1 year old, grown in a pot in my apartment. It is not close to a window or a ...
1
vote
0answers
43 views

What is causing yellow spots on my cucumber leaves?

I planted these cucumbers last week, and yesterday I noticed the leaves have yellow spots and edges. Do I need to buy new plants?
4
votes
0answers
58 views

What is causing white spots and wilting on my Black Naga leaves?

I have some chili plants which are two and a half months old. Most of them seem fine except one. A few days ago, one of my Black Naga plants started having these weird white spots on a few leaves (not ...
3
votes
1answer
59 views

Why does my recently transplanted avocado still have droopy, discolored leaves?

This avacado tree is about a week old, and now she's looking a little worse than she did here. :( Thoughts?
3
votes
1answer
57 views

Hapless rose bush diagnosis

I've recently become the inexperienced caretaker of four rose bushes at the house I moved into last year. I've done a fair amount of gardening but was never into roses. Anyway, I feel like it's my ...
1
vote
1answer
39 views

Why did my onion heads turn brown after planting?

My spring onion heads turned yellow. Once I set spring onions in the soil, the heads turned brown and they are growing slowly with yellow leaves. It's summer season in my country. My soil is a mix ...
5
votes
1answer
58 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. Here are a few pictures for reference. I also think whatever's ...
2
votes
0answers
75 views

What is causing brown spots on my mint plant?

I have been rooting my mint in water and it rooted, then I found those brown spots appearing. It happened with all the mint plants I had before. I am in Egypt, and it gets morning sun and no afternoon ...
3
votes
2answers
330 views

Why are the leaves curling on my snowball bush?

Our small snowball bush has some curled leaves. I don't see any evidence of any bugs eating it or damaging it. What could be causing it? What can I do to treat/fix it? Click on photo for full size ...
3
votes
4answers
2k views

What is happening to the leaves of my Ipomoea (Morning glory)?

What could be the reason to cause this discoloration of the leaves? The discolored parts you see here get thicker over the time until the green color disappears. It does not seem that the leaves dry ...
1
vote
0answers
21 views

What is causing yellow leaves on my Morning Glory? [duplicate]

What's wrong with my Morning Glory? It's grown outside, the temperature has been around 5-10 °C at night and 10-30 °C at day time since I planted them. Could it be cold, pH, overwatering?
4
votes
2answers
122 views

How can I help a rhododendron with yellowing leaves and a dead section?

I have a rhododendron which was healthy last year, and produced gorgeous white flowers. Today I noticed that many of the leaves are turning yellow, and a section appears to have died. ...
10
votes
14answers
19k 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 ...
12
votes
3answers
4k views

Why have my tomato leaves started yellowing at the base?

One of my tomato plants (Better Boys if that matters) has a few leaves that have started yellowing on the lower branches. Not sure if they aren't getting enough water, or if they are diseased or what. ...
1
vote
0answers
42 views

My large pine tree is indenting at the bottom of the trunk

My large pine tree is starting to indent near the ground. The bark in some spots can be pulled off easily. The pine tree is the type that branches out. What could the issue be ?
1
vote
2answers
54 views

Why do we have yellowing watermelon leaves?

My husband and I, first time gardeners, planted some watermelon for our grandchildren. We water the raised garden they are in every other night. We have been noticing yellow leaves, but only on the ...
3
votes
0answers
76 views

What is wrong with my apple trees?

This is on some of my apple trees, can someone help me? What is going on and how do I treat it. Thanks
4
votes
2answers
8k views

Why does my mint have dry, brown or black leaves and stems that are falling over?

What do I do for an indoor mint plant with dry leaves and stems which are falling over? Some leaves are brown or black.
2
votes
0answers
44 views

All our garden plants appear to be dying

I have a red Acer tree about two to three feet tall, two Hydrangeas and a Buddleia all of which appear to be dying, leaves shrivelling up. We have just returned from a week away and are horrified to ...
1
vote
1answer
69 views

Why are my rose flowers getting dry?

First of all, I'm not a gardening expert so I don't know the correct terms. I bought some roses recently and I've put them next to my window. Their leaves are getting dry and their flowers are ...
4
votes
1answer
82 views

How should I care for this houseplant to prevent wilting?

Is anyone familiar on the name of this plant? I seem to have problems with it wilting during the day, with or without sunlight. I water this regularly during the day and started applying complete ...
2
votes
1answer
141 views

Why would my basil leaves have a sharp, unpleasant smell?

I have a basil plant that's getting plenty of sunshine (it's around 29 °C today, with clear skies). It's in a big pot, not shaded, and the soil is damp. We had a lot of rain a few days ago, and ...
1
vote
1answer
88 views

Why would a walnut tree lose all its leaves in ten minutes?

I watched a walnut tree lose all its leaves in about ten minutes one time some years ago and I was wondering if this is something that is normal and if not would there be a simple explanation for it. ...
4
votes
1answer
168 views

Why are my avocado's leaves drying out from the edges?

I recently moved into a house in the South SF Bay Area in California, with three large avocado trees. I've noticed that the leaves on one of these trees is drying out from the edges: Here's another ...
2
votes
3answers
2k views

Why are my tree ferns' leaves drying out and dying?

I have several large tree ferns that are dying. The leaves are turning brown, not one at a time, all together, and then dying. It seems to be spreading to other ferns in my yard. They have been here ...
3
votes
1answer
109 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 ...
9
votes
3answers
971 views

Why did my tulips die?

I planted three bulbs in a small vase, around 20 cm diameter, without a drainage hole. I planted them in November, outside under a roof, facing East, and watered them when the soil was dry. I'm in ...