Questions tagged [diagnosis]

Gathering of information and facts to determine the root cause of a plant that is failing to thrive.

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2
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0answers
325 views

Why are my potted outdoor Plumeria leaves turning yellow and brown?

All the leaves are yellow, with red around the edges and then eventually start turning brown?
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0answers
26 views

Magnolia leaves browning and falling

My Kay Paris Magnolia has browning leaves, which ultimately fall off. I also notice spotting on the leaves. Neighboring trees have a scale problem, but not much on this tree, which I also put white ...
0
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1answer
49 views

What's the name of this plant [closed]

DID ANYONE KNOW THE NAME OF THIS LEAVES FROM THIS SKETCH?
5
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1answer
72 views

Why are the ends of my strawberries not formed properly?

My strawberries have just started fruiting and they have turned red quite nicely, except that the ends seem to be this brown/black colour which hasn't gone away. They are growing in a home-made ...
2
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1answer
92 views

Browning aloe leaves - what do I do?

My aloe plant is currently browning a little. I reported it about six weeks ago into a cactus and succulent mix. I separated some of the aloe pups to grow, they’re currently doing something similar to ...
4
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0answers
195 views

Cactus shoots drooping and turning olive

Hey Gardening & Landscaping SE, happy to be a new member! I am concerned for my cactus shoots and hope you are willing to help me out. Short version: My 3,5 months old cactus shoots are starting ...
6
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1answer
59 views

I can’t figure out what’s wrong with my aloe

I’m getting worried about this little plant. It was potted about two weeks ago, I watered it on Sunday (waited about a week after putting before watering the plant). Now the bottom leaves are ...
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0answers
129 views

Peace lily leaves with small, round bumps. Is this normal?

My peace lily (purchased and repotted two months ago, kept in medium light environment in town with hard water) has some leaves exhibiting round bumps along the main stem. Is this normal? If not, what ...
4
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1answer
81 views

How can we save the trees in our historical garden from dying?

Our historical building is located in a big garden with 2700 pine trees in Khaf city, Iran, and about 300 trees have died. Is there anything we can do to save these huge trees? Khaf city has warm ...
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0answers
30 views

Pineapple leaf discoloration?

Can some tell me what’s going on with my plant? I have not done anything different and this started when we moved it inside.
1
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1answer
88 views

Can These Plants Be Saved?

I believe the more dead one is sage. How should I help it? Also the plant with brown ends on the stems is mint. Should I cut off the brown bits? I don't care about harvesting or eating them I mostly ...
2
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0answers
289 views

Why are my tomato plant leaves turning brown, shriveling, dying?

This has been progressive over the last 6 weeks, leaves turning dry, brown and getting very thin and shriveling like paper on a Tomato "Blue Berries" cherry tomato plant. The closest I could guess ...
3
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1answer
299 views

Dirt mound in backyard

I see several dirt mounds in my backyard. These are usually around 6 inches in diameter with no obvious hole caused by an animal. Can you please help me identify what is causing it and also how to ...
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0answers
138 views

how to best take care of a xanthosoma sagittifolium?

A few months ago I bought a big beautiful xanthosoma sagittifolium. I have it situated by a northern facing window because I read it does not like full sun. I'm very confused by this plant because it ...
2
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1answer
56 views

Is there anything I can do to save my cactus? Thanks in advance!

Does anyone have any suggestions about what I can do to save my cactus? I've summarized a timeline below 3-4 weeks ago: Small sunburn-ish looking thing appears. It's near the top of the cactus, not ...
2
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1answer
1k views

Kentia Palm's Outer Leaves Are Browning Quickly

I have bought a kentia palm about a year ago and I live in a warm and relatively humid climate. Some of the leaf tips have gone brown here and there in the past year, but I have noticed that the outer ...
3
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1answer
490 views

Webs, black spots, and dying leaves- what disease is inflicting my plants?

I'm trying to identify an plant disease that has infested my sage, rosemary, and oregano. The plants have have a few webs on their leaves and there are black dots all over the plant, which don't seem ...
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0answers
298 views

Pilea Dark Mystery Drooping

My pilea dark mystery is really drooping. I haven’t a clue why because I’ve watered when the soil is dry- ie: about once a week. I haven’t had it for long. Only thing I can think of is I re-potted it ...
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0answers
19 views

Magnolia not flowering well

My Magnolia ‘Vulcan’ flowers are not looking right. Attached photos are all new growth (in Australia, just entering Spring). Any thoughts as to the issue?
4
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1answer
60 views

Bartlett pears are all shaped like apples this year

This year for the first time all the pears on my 13 year old Bartlett pear tree are in the shape of round apples I am in South Carolina. Is this some sort of a deficiency. The tree looks normal. And ...
3
votes
1answer
815 views

Why are the leaves on my young avocado tree drooping?

This young avocado tree was grown from an avocado seed and is about 6 months old. I live in Tucson, Arizona and keep it inside my house by a south facing window. There's no direct sunlight in this ...
5
votes
1answer
217 views

Reviving a very old rose

This rose is at least 30 years old and struggling with resistance to diseases and pests attacks. I treat it religiously to protect it from black spot, mildew.... However, this summer has been very ...
5
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1answer
519 views

What's causing mottled leaves on my Schefflera?

What is causing this discoloration on my Schefflera's leaves? It's like a water color effect. There may be embedded bugs in some leaves.
4
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0answers
591 views

Why is my avocado plant dying with brown, decaying leaves?

A few years ago I grew an avacado plant from some seed and some time later leaves started turning brown and fell from the plant. I tried a lot, but landed on the thought that perhaps since it has ...
6
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1answer
352 views

pencil pine trees

Pencil pines are planted in a concrete border and right next to and below our retaining wall, they have grown very tall and the trunks have nearly outgrown the border. What damage will they cause to ...
3
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0answers
511 views

What’s wrong with my wilting aloe Vera?

I’ve been trying not too water it too often or too little but it’s just looking sad. What do you think could be the cause of this and can it be saved?
4
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4answers
86 views

Rose rosette starting?

My first scare. I am familiar with new red growth but this. I did just feed a few weeks ago and I am seeing a lot of new growth, new red growth, new green leaves on all my roses. This is a new plant ...
2
votes
1answer
46 views

Camelia with virus?

What is the problem with this white camellia? Some leaves are getting completely yellow but the plant is generally very vigorous. Is it virus? Is there a treatment?
3
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1answer
98 views

Diagnosis - sick blueberry plant

I ask for help on behalf of my mother, who has a potted blueberry plant in her garden: the label says Vaccinium corymbosum, "giant American blueberry". About a month ago my parents left for a week, ...
3
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2answers
137 views

Can someone diagnose the problem with my Wine and Rose Weigelas please?

I have 6 and they all show the same stunted growth on some branches. The first photo shows the weigela that shows the most deformity. Thanks for any help!
1
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1answer
56 views

What is happening to my succulent and how can I cure it?

My wife got three different succulents from a friend for her birthday. One of them started turning brown on the stems and tips of leaves about a week ago. She's been watering them consistently (...
4
votes
3answers
504 views

Okra will not produce pods

I am attempting to grow okra around Portland, Oregon area, USDA hardiness zone 8b. I am growing them in a makeshift greenhouse make of some clear plastic tarp over a raised garden bed. This was ...
3
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0answers
377 views

Dark spots on cactus?

My elderly relative has asked me to do a research on her cactus which has recently got these dark spots: I poked them and they are dry and hard when you touch them. There is no liquid or mush. They ...
4
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0answers
308 views

Birch trees with peeling bark and black area on trunks

I am wondering about my trees in our front yard. They seem to be peeling much more than others in the neighborhood and have black patches on the trunk. Any info on what I should do?
3
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2answers
248 views

What's wrong with my garlic? Overwatered or lacked nutrients?

I'm growing 9 garlics in one container. Previously 10 but the other one died. Currently, some of their leaves are turning yellow and they are still one month old. I used a soil-less medium and I apply ...
1
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1answer
1k views

Red Anthurium leaf damage and how to encourage blooms

I have had this red anthurium for 5 years and I was wondering if there is a way to make it bloom more. It is next to a window so it receives a lot of light and I water it once a week. What should I ...
4
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1answer
284 views

What are the little white eggs on rose leaf?

Somes weeks ago rose food /w bad things killer was sprinkled on the ground. The three roses were, just a little over a week ago, hacked back for better access to attempt to clear myrtle that had ...
2
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0answers
141 views

pumpkins turning white and dying on the vine [closed]

My pumpkins are dying. They get to be about 5 inched around and then they turn white and die. Why?
4
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1answer
2k views

Why has 20% of my pumpkin plant suddenly died and how can I save it?

So I had a thriving Pumpkin plant. For about a couple of weeks the big leaves in the middle of the plant (so the oldest leaves) started to yellow and get crisply on the edges. We've had 90 to 100 ...
4
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1answer
52 views

What’s wrong with my mango tree?

The mangos sometimes fall off, but most of them develop like a split right in the middle where it’s curved (dry, then it falls off). This did not happen last year. We water it 2-3 times a week, ...
2
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2answers
77 views

Is this oak sick?

I have an oak that presents many ants on its bark, and I feel that its bark looks sick (even though I'm not an expert, so it's just a feeling). Furthermore, there is a big fungus at the trunk's base. ...
2
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2answers
57 views

Unable to save Fuchsia

I have a small sized Fuchsia in a medium sized plant. Even few days back, it was flowering. Suddenly, for last few days (4 or 5 days) the leaves started drying out. I thought I was over watering and ...
4
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3answers
99 views

What are my new blueberry bushes doing?

I bought 2 blueberry bushes mid spring and planted them in my yard. They now have this new growth I have never seen on any of my other blueberry plants. The new growth limbs are long and thin with ...
7
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1answer
112 views

What is wrong with this peach/apricot?

There's a young tree in my in-laws garden, I'm 90% sure it's a peach/apricot. As you can see in the pictures, it doesn't look healthy. Can someone point me to what may be wrong with it? A couple of ...
4
votes
1answer
3k views

Why are parts of my Acer dying?

I have what I think is an Acer palmatum that has been in a large planter for 2 years now but this year 2 of its branches have turned brown from green and shed all their leaves. The planter is 64" x ...
1
vote
1answer
46 views

What is wrong with my jalapeño?

My jalapeño plant has been doing great so far, with no problems. It’s even growing two jalapeños. However, I’ve noticed recently on some of the newer flowers that after the flowers bloom, the stem ...
3
votes
1answer
344 views

Thousands of tiny white eggs (?) on fig tree leaves - what are they? What to do?

I'm in Long Island and have a fig tree in my yard. I added some top-soil to the base a week or so ago. I don't know if it is related, but yesterday I found that the leaves are infested with what look ...
3
votes
2answers
527 views

Why are my Ginkgo Tree leaves yellowing after transplant?

I transplanted a 7 ft Ginkgo Tree within the same zone 1 month ago. We dug a 5' diameter hole, approximately 3' deep to make sure it had ample space to grow. We did not bury any more of the tree ...
3
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2answers
107 views

What’s wrong with my tomato plant?

I transplanted my tomato plant about three weeks ago, in a pot with potting soil. There is plenty of room in the pot as well. It is outside all day and the weather here is about 75 degrees at night ...
4
votes
1answer
286 views

Why do I have brown “jelly” and rotten smell inside my healthy looking tomatoes?

I have about 30 tomato plants of several varieties, all hybrid except for one heirloom. Every single tomato plant is having the same issue but my peppers, eggplant, green beans, and cucumbers are fine ...