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

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11
votes
1answer
704 views

Tomato plant looks like it has grains of salt - what is it and how do I treat it?

My cherry tomato plant has been showing some yellowing of leaves over the past week or so. Just today I noticed the formation of these cluster of white granules - not sure if it's connected to the ...
2
votes
1answer
37 views

What could be keeping Crepe Myrtles from flowering?

3 mature (8-10') Crepe Myrtles (var. Raspberry Sundae) were installed approximately 4 years ago on a property on the south fork of Long Island. They seem to be thriving, and grow well each year. ...
5
votes
1answer
183 views

Why is my cactus droopy?

I have a cactus (pictured) which I bought about a month or so ago. It has been slowly drooping, although the tag said to keep it dry in winter and I have only watered it once when I re-potted it. The ...
9
votes
2answers
600 views

Why are there kinks in my aloe vera leaves?

On several of my aloe vera plants, the leaves suddenly became kinked. The leaf would get very thin in a spot and bend over. It starts near the tip and is most noticeable on older leaves. What is ...
3
votes
1answer
152 views

Why are my indoor strawberry's leaves turning brown?

There is a problem with my strawberry, see the photos It's been growing in this container for about four months. It grows indoors. I have fed it recently, after that the leaves started to turn ...
3
votes
1answer
662 views

Why are my aloe's leaves bent and drying up, and what can I do to help it grow?

My aloe plant is not growing right. I've had it for about a year and the leaves are bending and drying up. Please help me because I don't want it to die, they are very beautiful plants. Can I ...
2
votes
2answers
49 views

Why are my eggplants golden brown?

Right now I have 3 eggplant plants of the same variety (I think Ichiban, but I may have that confused) growing fruit, two of them are growing golden brown fruits, as pictured above, the other's ...
13
votes
4answers
8k views

How should a lemon tree with yellowing leaves, peeling bark, and small fruit be saved?

Our lovely lemon tree is in trouble... We live in Northern California. Starting mid-last summer our tree began yellowing. We've called an arborist out to the house but the advice has been pretty ...
13
votes
4answers
10k 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 ...
3
votes
1answer
65 views

Would spinach seeds not sprout because they are planted too low in the pot?

So, again being a newb as I am... I planted some spinach seeds in these black plastic pots that I transplanted other plants from. There is a good 3 inches of height in the planter with no soil. It's ...
4
votes
2answers
111 views

What are these small black things appearing on my cucumber leaves, and are they harmful?

There are these little black things on my cucumber plants that have started appearing recently. They are more concentrated towards the 'top' of the plant. They don't seem to be eating away the leaves ...
0
votes
0answers
42 views

How can I prevent my arborvitae trees from turning brown and dying every time I plant them? [duplicate]

I have replaced these Arborvitae trees 4 times. They keep turning brown. I cut out parts of the trees behind them, so they would get more sunlight. I Am watering them. Could it be a fungus? How can I ...
3
votes
3answers
123 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: ...
4
votes
3answers
533 views

Why is the bark falling off the base of my Corkscrew Willow's trunk?

I have a corkscrew willow, and the bark appears to be falling off around the base of its trunk. It seems as if something could be causing it, but I'm not sure as I haven't see anything obvious. This ...
3
votes
1answer
153 views

Why do many of my parsley leaves have white tips?

I'm not sure if this is normal? Not every leaf has this but lots of them do
3
votes
2answers
251 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 ...
3
votes
1answer
94 views

What is this white substance growing on a kumquat tree?

I've had a kumquat tree on two different balconies for about three years. It's put out a few kumquats over the years, and lately started to again. Recently I noticed this white substance growing on ...
2
votes
1answer
86 views

What are these reddish-brown growths on my succulent plant?

I recently discovered upon close examination of these strange, small, brown-reddish growths on the stems of my plant (picture below). This was a recent occurrence, after I placed the plant on the ...
3
votes
2answers
193 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, ...
2
votes
2answers
74 views

Why do the tips of my lettuce leaves look dark/burnt and feel brittle?

I am growing Batavian 'Arianna' lettuce in a container on my balcony. I'm in San Francisco, so it gets some sun, but it's not all day, and it gets a lot of shade too. I noticed that the tips of some ...
6
votes
1answer
614 views

What are these brown patches on my acanthocereus tetragonus (fairy castle cactus)?

I've had this pair of fairy castle cacti for several years now, and they've done fairly well. However, I noticed today that they have developed brown patches over most of their stems and a few areas ...
4
votes
1answer
88 views

What's causing my cucumber & melon vines to wither away?

I am in the UK and my cucumber and melon plants have started wilting. I used to water them twice a week and increased the frequency to once every two days since they started fruiting. They were ...
2
votes
1answer
84 views

Why aren't my potted herbs healthy, and water runs dark out of the parsley container?

I am growing spearmint and flat-leaved parsley in two 10” round containers. I water the plants a couple of times a week, and every 2 weeks or so water them thoroughly until the water drains out the ...
4
votes
1answer
54 views

What's wrong with my dwarf cherry tree's leaves?

I'm starting to see holes and some black spots on some leaves. Anyone know what this is and how I can treat this?
2
votes
1answer
75 views

Why doesn't my night-blooming Cereus produce flowers?

I have had a night-blooming Cereus for several years and it has yet to bloom. A friend has one and it blooms no problem. This plant is indoors and keeps growing, but no blooms. What can I do to make ...
4
votes
4answers
467 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
2answers
457 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 ...
4
votes
1answer
254 views

What are these lines on tomato leaves? [duplicate]

I have planted some tomatoes in my garden. The plants have started showing white lines as shown in the picture. Is this some disease? If yes, What kind of disease is this? Is it safe to eat tomatoes ...
3
votes
1answer
419 views

What is causing my lavender's leaves to turn grey and wizen?

I am trying to grow a lavender plant on the windowsill of my apartment in Brooklyn. I got this more succulent lavender after some more delicate french lavender had died on the same sill. This plant ...
6
votes
2answers
237 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. ...
5
votes
3answers
1k views

Are woodlice eating my carrots?

I lifted some carrots this evening. It being December these are carrots which have been in the ground some time. They're big and fat, they need cleaning up and the damage needs cutting out, but ...
4
votes
2answers
183 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 ...
2
votes
1answer
50 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 ...
6
votes
2answers
4k views

How do I keep oak trees from sprouting?

I have a lot of nice sized oak trees. I have pin, black, and chestnut. Every once in a while one of them puts out sprouts all over the trunk and starts looking like a green pillar. How do I keep that ...
3
votes
2answers
87 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.
4
votes
1answer
126 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, ...
2
votes
2answers
269 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 ...
3
votes
1answer
176 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
3
votes
1answer
175 views

Is it too late for this tomato?

I started these tomatoes on the soil and they were kind of crowded. I placed 2 of the largest ones in a separate container and they already have 2 tomatoes and lots of flowers, these where the others ...
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
63 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
106 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 ...
2
votes
1answer
55 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 ...
2
votes
1answer
130 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 ...
4
votes
3answers
200 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 ...
3
votes
2answers
64 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
99 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 ...
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 ...
8
votes
1answer
534 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 ...