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

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3
votes
2answers
103 views

Do ants eat scale on lime trees?

Location: Pietermaritzburg, South Africa When: Feb 2015 (summer in Southern Hemisphere) A couple of questions. First: Is this Scale in the first photo? If so, what type? If not what is it? Second: ...
4
votes
2answers
249 views

Why are the leaves of my Peace Lily wilted and black?

I recently bought a flowering house plant. I may have watered it too much, me thinks. Since my apartment gets little natural light, I put it outside on the patio the other day in direct sunlight, only ...
1
vote
1answer
278 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
2answers
236 views

How can I help my young mulberry tree grow a thicker stem?

I have my young mulberry tree, which is a little more than a year old. I grew it from a seed, and have it indoors in a large pot at the moment. It is growing tall and thin, needs a stick to support ...
11
votes
1answer
5k views

Is my Schefflera arboricola getting the right amount of light and water?

I have a Schefflera arboricola (also known as Strahlenaralie in German). I've placed it in my office so that it receives some sunshine, but not directly - I've put it behind a plastic plant (on the ...
4
votes
2answers
57 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 ...
4
votes
1answer
178 views

My lemon tree, ants, shells. What is this and how to treat it properly?

There are lots of ants around, they just don't like to be photographed :) This is the whole tree: I'm in Sydney, Australia.
3
votes
0answers
107 views

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

My desert rose appears to have a disease. Every year, the leaves develop these spots and look terrible. It still blooms every year. Can anyone identify the disease and/or suggest a cure? enter ...
2
votes
1answer
93 views

What happened to my Mass Cane?

Not putting in much thought I moved my plants closer to a light source over the weekend and as you can see in the pictures some tips turned black. Did it get burned? Is it dying? What am I supposed ...
14
votes
2answers
563 views

Is there anything wrong with allowing moss to grow around herbs?

I've started up a pot of Basil sprouts indoors under a lamp, and it seems like some moss is beginning to grow around them. Is there anything wrong with having moss in the same pot? Any problems with ...
3
votes
3answers
1k views

What causes my zucchini leaves to become light yellow?

Please have a look at these images of my zucchini plant: What disease is this and what is causing this? What are the solutions to counter this? Location: India. Weather In May-June: Hot! > ...
3
votes
1answer
277 views

What is the white powdery substance on my Dracaena's leaves?

I bought a Dracaena about 3 months ago. I water it 1-2 times a week and make sure the soil is moist, but not too damp. About 3 weeks ago, it started developing a white powdery substance on the ...
4
votes
1answer
125 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
1answer
121 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 ...
9
votes
1answer
129 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 ...
1
vote
1answer
80 views

Why the leaves of my guava getting dry and dropping?

I have purchased a guava plant one week ago. from the start of having this tree, some of the leaves getting dry and wavy then start to dropping without getting yellow. is this natural or my tree has a ...
4
votes
1answer
84 views

What are these red spots on my guava leaves?

I had purchased a guava tree (in vase) a month ago and from the beginning (some leaves had problems when I got the tree), some red spots or areas appeared on the leaves. After a while some of them ...
4
votes
1answer
77 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 ...
2
votes
2answers
100 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 ...
2
votes
1answer
238 views

Why is my philodendron getting these brown dry parts on its leaves?

Why is my philodendron getting these brown dry parts on its leaves? You can see in the attached photo where it is starting to get brown (bottom left). In the second photo you can see that almost the ...
5
votes
1answer
164 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 ...
3
votes
0answers
89 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 ...
5
votes
1answer
91 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
votes
1answer
41 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
votes
1answer
197 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 ...
2
votes
1answer
60 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 ...
2
votes
2answers
110 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
votes
1answer
102 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. ...
4
votes
2answers
117 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 ...
2
votes
1answer
127 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
147 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
votes
1answer
44 views

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

What is this disease on my lime plant? And how to fix it?
3
votes
1answer
81 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?
1
vote
1answer
155 views

Orchids not flowering

I have these orchids that I bought three years ago, and they are not flowering. At the beginning they almost died because of insufficient light in my home. I moved them next to an always-on artificial ...
3
votes
1answer
134 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 ...
3
votes
2answers
8k views

Why is my pine tree turning brown?

I have 4 pine trees (not sure the type but they look like Christmas trees) in my back yard. They were planted at the end of May by the people that we bought the house from. One of them has turned ...
1
vote
1answer
69 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
84 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 ...
1
vote
2answers
180 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 ...
6
votes
1answer
85 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 ...
3
votes
2answers
233 views

What is this houseplant, and what can I do to keep it from going downhill?

Looking for help with this plant we recently got. Not much of a plant person, but struggling with this one in particular. Don't know what it is..but I think it's slowly going. I think the soil is ...
3
votes
1answer
268 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 ...
5
votes
1answer
99 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
votes
0answers
32 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.
3
votes
3answers
169 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 ...
2
votes
2answers
607 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 ...
9
votes
1answer
2k views

Why does my pepper plant have yellowing, drying and curling leaves?

One of my pepper plants has so far suffered from pests, blossom end rot and odd skin blemishes and unfortunately the plant is now taking a turn for the worse and looking rather unhealthy. The leaves ...
4
votes
1answer
87 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 ...
3
votes
1answer
58 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 ...
5
votes
2answers
5k 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 ...