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

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0answers
26 views

How do I get rid of these insects that are in all of my planters?

How do I get rid of these insects that are in all of my planters? I find them only to be in the dirt and not on the plants. To me they look spider mites, but they did not die out when I applied Bayer ...
4
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1answer
41 views

Why is my Majesty palm getting dried out, when the soil is moist and I'm misting the foliage daily?

I recently repotted my Majesty palm and pruned the fronds that were damaged in the past. It all looked really nice and fresh, and I've been misting it every morning. However, I lately realized that ...
2
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2answers
45 views

Why are the leaves of my rubber plants getting wavy?

I just got a young rubber plant (I think thats what it is ). After the second watering I realized the plants leaves were getting wavy or ridged. If it matters, I waited till the mix was dry before ...
3
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1answer
34 views

What are the white bugs on my Aeonium and how do I get rid of them?

Some of my Aeonium plants have had this bug issue for month now, so here's how the plant and the bug looks like: I have a 35mm macro lens, and I shot 1 bug (and killed it) So this bug is white ...
4
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1answer
28 views

Will garlic cloves that are broken off the root 'plate' still grow?

I bought a bulb of organic garlic to try and grow. While separating the cloves, a couple of them broke off that woody root 'plate'. Will they still grow?
2
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1answer
30 views

What causes the base of tomato seedling stems to shrivel?

What causes the base of the stems of tomato seedlings to wither (shrivel up)? I've noticed this happen occasionally. The remainder of the plant is fine until it dies from being separated from the ...
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0answers
25 views

Should I try to treat a Majesty palm tree with brown holes in the leaves?

I purchased a Majesty palm tree, but didn't realize till after I repotted it, that it had lots of brown holes in some of the leaves. Should I prune the damaged leaves or should I just return the ...
2
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1answer
17 views

Why did my Agave plants stop growing shortly after sprouting?

I planted some agave seeds about two months ago, which sprouted into 4 or 5 little 0.5 to 1 inch sprouts within a couple of weeks. However, they haven't grown at all since then. I water them about 1/3 ...
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2answers
31 views

Why does my repotted cactus seem to be dying?

I bought a cactus from my local big chain DIY store a few years back. It was in a tiny pot and all was well. It's really grown over the years so I decided to re-pot it. I used your everyday compost ...
4
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1answer
48 views

Why are my basil seeds instantly covered with a white goo after planting?

I'm trying to germinate basil for hydroponic purposes. When I put the seeds on wet foam, they get almost instantly covered with a white goo (within approx. 1 min). Sorry, I cannot get a picture. ...
2
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1answer
31 views

How can I prevent Schlumbergera from dropping buds?

I recently bought a Schlumbergera from a reputable garden centre. It had buds on it when I bought it. It soon flowered and within a couple of weeks the flowers have all fallen off and the remaining ...
1
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1answer
45 views

What's Wrong with this Orchid?

I had previously asked a question about my Orchids (How Should I Take Care of These Two Phalaenopsis Orchids with Different Behaviors?) and I've read the other questions on the website, however I ...
4
votes
1answer
56 views

What is wrong with my Philodendrons' stems and roots?

The stems of my Philodendron 'Brasil' are getting brown and soft. Is it some kind of disease? I'm growing them hydroponically. Click photo for full size
5
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1answer
32 views

What is this disease on my lime plant? [duplicate]

What is this disease on my lime plant? And how to fix it?
2
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1answer
46 views

What are these round, white, waxy things on my cycad?

What are these white things on this cycad? Are they some kind of bugs, or are they seeds?
4
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2answers
48 views

Are these orchids dying? They are flowering but the leaves are turning yellow

We moved and I followed some good advice I got here and moved them to the basement. Prior to that they sat in late summer sun for a week until we arranged everything in the house. At that time it ...
1
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1answer
50 views

What's wrong with this dwarf white pine?

This pinus strobus nana is about four years old and has done very poorly this year. Alkaline clay base soil with a full sun, south exposure and a mulch of pine needles. The soil has a ph of a little ...
4
votes
1answer
54 views

What is this pest on my hydroponic basil and how can I remove it?

Here are some snapshots of hydroponic basil growing in Thailand. Within a week I've had some pest, it looks like some tiny dark-red arachnids, spinning web on young leaves and crawling mostly on the ...
5
votes
1answer
63 views

How do I treat and care for trees infested with borers?

One of my apple trees recently started to look like it's dying (leaves dying when they shouldn't, bark peeling, lack of fruit, new branches growing and then quickly dying). My neighbor looked at it ...
1
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2answers
91 views

Hedge plant (Photinia Robusta) looks like it is dying. Is there anything I can do?

The plant (in the foreground of the picture) appears to be dying after a storm last tuesday. The leaves has got a darkish colour, and the flowers are turning brownish. They are supposed to be bright ...
5
votes
1answer
85 views

What is killing my moss?

We have great moss growing between and on the bricks on a patio on the north side of our house. It always seems to do well. This fall I slipped on what I thought was mud, but actually appears to be ...
2
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0answers
30 views

What's happening to my tomato plant leaves? [duplicate]

Can you help me identify what this is on my tomato plant leaves? It's like inside the leaf..you can't feel it by touching the leaf. If the info helps, the plants are in a container.
4
votes
0answers
63 views

What's wrong with my mango plant?

about a two month ago, I planted my first mango plant. It was growing nicely and it looked gorgeous. Then week ago purple-red-brownish spots started to appear on the leaves (coincidence or not, only ...
2
votes
2answers
103 views

What caused the leaf scorch on my Dracaena deremensis 'Lemon Lime' and what should I do about it?

I have a Dracaena deremensis 'Lemon Lime' in my office. Several month ago it began to show leaf scorches. The gardener that sold it suggested it could be a symptom of sun burns. I then moved the ...
3
votes
1answer
51 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 ...
3
votes
1answer
50 views

Should I be concerned about twisted galls on my lombardy poplar trees?

We have lots of large twisted galls on our lombardy poplar trees' leaf stems. I've heard that twisted galls on poplar trees are not a threat to the tree. So, I'm not worried about them killing the ...
2
votes
2answers
188 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 ...
4
votes
1answer
62 views

Why are my blackberry leaves tasting like sulfur?

People don't always realise but you can eat a certain amount of blackberry leaves (and use them as herbs to make tea for diarrhea and stuff). The tea usually tastes and smells pretty good (kind of ...
2
votes
2answers
90 views

Why did the leaves on my Christmas cactus suddenly change texture and colour?

I've been growing a cloned Christmas Cactus now for a few months, and it has been doing quite well. I moved to university 4 days ago (from Swindon, England to Bristol, England) and today I notice that ...
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
129 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 ...
3
votes
1answer
137 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 ...
2
votes
2answers
47 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 ...
3
votes
3answers
102 views

What's wrong with this Photinia fraseri tree?

I've got three Photinia fraseri trees in my yard in Tucson, Arizona. They were planted last May (2013) and now in September (2014), one of them is turning entirely brown and losing all its leaves ...
3
votes
1answer
64 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
106 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 ...
5
votes
2answers
190 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 ...
3
votes
1answer
125 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
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2answers
201 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
107 views

Why did the leaves on my Plumeria alba develop black spots and fall off?

I got a small Plumeria alba tree in my office, right next to a very sunny window. At first it was growing brand new leaves and looked great. Over time the leaves got black dots and fell off and the ...
4
votes
3answers
478 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
89 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
83 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
188 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
67 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 ...
4
votes
1answer
85 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
79 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
52 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?
4
votes
1answer
217 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 ...