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

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6
votes
2answers
227 views

What is this dead light brown patch on my lawn, and how do I get rid of it?

I have a speckled, dry brown patch on my lawn that won't go away: I first noticed it a month or so ago while mowing the lawn, when it was isolated to a single area of several square feet. I figured ...
3
votes
1answer
81 views

Bugs eating my yellow bell pepper

For some reason my yellow bell pepper plant is dying very quickly. When I first got the plant it was thriving putting out peppers like no end. Now the branches are turning brown leaves falling off. ...
2
votes
1answer
47 views

Why are my hydrangea flowers dying, but the leaves look OK?

I bought some Hydrangeas in pots in full flower. They were then left un-watered. They are now suffering from dead flowers but the leaves look OK. It is now August in North Yorkshire. Any ideas what I ...
4
votes
2answers
178 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
84 views

What are the scratch marks on the undersides of my tomato fruits?

I am seeing scratch like marks on bottoms of my tomatoes. What is causing this? Possibly chipmunks? I have tried eight solutions with no results.
5
votes
2answers
450 views

What is causing the rotting/brown spots on my plum fruit?

I inherited a plum tree in my garden. I haven't yet been able to get a healthy looking plum from it. All the plums that turn to a ripe purple colour seem to have the following problem - Can anyone ...
2
votes
2answers
253 views

Why are my hibiscus buds & leaves randomly turning yellow and dropping off?

Besides the random yellowing and dropping off of leaves and buds, the plant is otherwise putting out new buds and flowers pretty well. What might be causing this? The plant is in partial shade ...
4
votes
1answer
123 views

What is causing yellow spots with 'hair growth' on the underside of the leaves on my tree?

I've slowly been bringing this tree back from some devastating summers 5 years ago where several large branches died. I've been diligent about pruning and feeding. For lack of a better description, ...
3
votes
2answers
71 views

Are these bushes sun damaged?

I have two of these bushes -I'm not sure what they are, maybe somebody knows? It looks like they might be sun damaged. I know that there used to be a tree nearby that provided some shade, which makes ...
2
votes
1answer
62 views

What is causing curling leaves on my potted Rosy Glow barberry bushes?

I have a few Rosy Glow Barberries that I bought when they were little. I live in a very hot and humid area, so I put them under 60% shade cloth. Well, they turned green, so that told me that they ...
4
votes
2answers
97 views

What should I do when a courgette-plant's stem has split open?

I have one courgette plant in my bed and it seems to work well. We just had 2 super hot days (35 C) and I just saw the the stem (which has become really dark recently) has split open very close to ...
3
votes
2answers
61 views

What is the blossom strategy of chili peppers?

This is my first year growing chili peppers in pots. I would like to know if chili peppers blossom constantly during their fertile growing period, or do they blossom in "waves" all the time or ...
1
vote
1answer
94 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 ...
8
votes
1answer
531 views

Why are the blooms dropping off my zucchini without fruiting?

As you can see from the pictures the blooms look as if they just release themselves and leave the beheaded stalk. There doesn't seem to be any fruit growing at all. Is there something that I am doing ...
6
votes
1answer
171 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 ...
3
votes
1answer
76 views

What is eating my Sweet Pepper plant?

I have an outdoor container garden in Southern Illinois. The pepper plant is on a raised level, surrounded by untouched tomatoes, carrots, spinach, onions, and squash. I have never seen anything like ...
3
votes
1answer
149 views

What is this fungus in my indoor snake plant's pot, and is it harmful?

I've had a snake plant growing indoors for about a year. Twice now in the last month I've had to remove some fungus that sprouted over the surface. The planter is located next to a patio door, which ...
4
votes
4answers
428 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 have started to brown and shrivel like a dead leaf would ...
5
votes
1answer
111 views

What's affecting this tomato plant? [duplicate]

Can anyone tell what's wrong with this tomato plant? Is it disease or deficiency? My areas been having issues with late blight the last few years. One spot seems to have a concentric circle around it ...
1
vote
1answer
226 views

Why is the leaf on my avocado tree drooping? [duplicate]

I have had an indoor avocado tree for a couple of months, but it doesn't look like the pictures on Google. One leaf is almost touching the tree. The new leaves on top are fine but when others appear ...
3
votes
3answers
120 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's a bunch of pics: ...
3
votes
1answer
75 views

Why are the leaves on my annuals turning purple?

I've got a bunch of annuals and they aren't doing very well. The leaves and flowers are turning brown and purple. Any ideas?
2
votes
2answers
78 views

What's going on with these Snow in Summer plants?

I planted about a dozen Snow in Summer flowers about 2 months ago and most of them are turning brown in the center. I don't think this is a water issue, but perhaps... the ground doesn't drain very ...
3
votes
3answers
464 views

What kind of tree is this and what's wrong with it?

The developer in my neighboorhood was so kind as to plant trees in everyone's yard. But after 3 or 4 years all but one or two (so probably 180 or so) look scrawny and pathetic. I know nothing of ...
4
votes
1answer
226 views

How do I get rid of root suckers in my yard from my neighbor's big tree?

My neighbor has a tall very leafy tree. The leaves are kind of heart-shaped, or larger at the top than at the bottom. They are arranged on the stem. I am finding little mini trees growing all over ...
6
votes
1answer
81 views

How can I prevent my banana tree from drying out?

We live in Lahore , Pakistan where temperature in summers reach 45 degrees Centigrade. Our banana tree is drying out in the sun. What is the best way to ensure that it remains healthy? This banana ...
4
votes
3answers
198 views

Are my tomato plants damaged by a chemical or a disease?

Most of my tomato plants have started showing signs of what I think is Cucumber Mosaic Virus. I have shoestring, fernleaf, and curling leaves. They also have a leathery appearance. At first I thought ...
4
votes
2answers
227 views

Why is my Australian Tree Fern's leaves curling up at the ends and looking kind of burnt?

I have an Australian Tree Fern and its leaves are starting to turn 'crispy' at the tips. One branch looks like it's been burnt almost. Can anyone tell me why?
2
votes
1answer
129 views

Is my newly planted weeping willow in shock?

This spring, I planted a weeping willow tree (salix x) in my yard, in an attempt to help dry things out. I'd heard they love wet conditions, and can grow up to 8' a year. Well, it has been almost two ...
3
votes
1answer
74 views

Why does my apple tree not bear fruit?

I currently live in southern Massachusetts. When an apple tree in my backyard blossoms and the little apples begin to show, they all disappear and begin to fall on the ground. FYI, there are also ...
2
votes
1answer
51 views

My bean plants appear to have rust

They're a variety called 'yard long' I think. Could somebody confirm or let me know what else it could be? What's the best way to treat them? It has been a pretty wet spring. We're in zone 3/4. Oops ...
4
votes
1answer
54 views

What are these growths on my winter hardy Opuntia?

I received some winter hardy prickly pear pads from a friend last fall. They rooted well, survived the winter well (better than many other plants around here), and are putting out new growth. On the ...
3
votes
1answer
121 views

Why did the leaves on my purple leaved barberry turn green after planting?

I recently received a small potted purple leaved barberry bush. I planted it in good topsoil with a ph of about 6.0. The area gets about 5 hours of direct sun per day. There is one large boxelder tree ...
3
votes
2answers
210 views

How do you know when a tree has died?

A tree trust planted 2 trees for me along my fence-line. One hasn't budded at all this spring, the other tree has a few small leaves on one of the lowest branches. I have a lot of ...
3
votes
4answers
135 views

What's this gash on a Maple tree?

What's this gash on a Maple tree? It seems almost "infected" compared to the "normal" splitting I see on the other Maple tree right now. NOTE: It's been raining all day. That second photo is ...
1
vote
1answer
50 views

Why does my plum tree never come into fruit?

My mini tree is around 4 years old now. It had a mass of blossoms in the spring but they have all dried up into dead clumps. In fact this happens most years. What am I doing wrong?
4
votes
1answer
341 views

Why are my zucchini flowers closed?

Wondering why my zucchini flowers are closed? Should they be open? I know some flowers close at night and open during the day, however my flowers seem to be closed all the time.
4
votes
1answer
114 views

What conditions cause trunk sprouts on oak trees?

I asked a similar question here, but something annoying is catching my attention. Almost all of the pin oak trees in my area are sprouting up and down the trunks like crazy this spring, many of them ...
2
votes
0answers
53 views

What is eating my orange trees? [closed]

I have 3 navel orange trees in my backyard and the leaves are being eaten by something. What is it that is eating the leaves, and what can I do to prevent this?
6
votes
1answer
339 views

Why is my Swiss chard suddenly wilting?

I live in Brooklyn, New York, U.S.A. This Swiss Chard has been doing well so far this season, and all the largest leaves you see here were green and strong as recently as a few days ago. We had the ...
4
votes
1answer
2k 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.
6
votes
2answers
154 views

Why has the stem of my chili plant split?

I have a couple of newish chili plants growing in pots on my windowsill, they're about 15cm or so tall and seemed to be doing well enough so far. However, this morning I've noticed that the stem at ...
4
votes
1answer
303 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 ...
4
votes
1answer
98 views

Why has my cactus has turned red/ beige at its base?

One of my cactus turned red at its base about a year ago and it has since spread upwards. Some websites say it is a natural ageing process but I doubt so because it is still so small! Now another of ...
2
votes
1answer
700 views

Why are my Aglaonema's leaves turning yellow rapidly?

I have an Aglaonema (also commonly known as a Chinese Evergreen) at my desk at work. Over the past month or so, its leaves have been yellowing and dying rapidly. This is how it looked today, a Monday; ...
3
votes
1answer
90 views

How can you get orchids to bloom again? [duplicate]

My aunt has several varieties of store-bought Phalaenopsis orchids which were blooming when she bought them last spring. However, after the blooms fell off, they did not bloom again. Throughout the ...
5
votes
1answer
96 views

What kind of disease does my orange tree have?

Within the span of a few days, my Citrus sinensis started to display what looks like dandruff on the back of the leaves. As of now, many leaves have dried up and some have fallen on the ground. What ...
1
vote
1answer
89 views

What is wrong with this plant?

It has been like that for quite a while it looks like something upset her. What is wrong with it?
2
votes
1answer
123 views

Raspberry disease

My Raspberry has got some disease. Please see the picture. Can anyone advise me on what is this and how to treat it?
3
votes
1answer
156 views

What could cause brown spots on the leaves of a Song of India plant (Dracaena reflexa)?

As you can see in these pictures our Song of India (Dracaena reflexa) is having some problems. I say it is too much water, while my wife says not. What do you say? Click any photo for full size