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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On my ponytail palm next to the trunk newer leaves are brown. Ive benn peeling them off but its still growing brown leaves. What am i doing wrong?
The leaves in question is growing from top of trunk. They are coming out brown. I've peeled them off, but still producing brown leaves
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Black/gray marks on new leaves of hot pepper plant
A hot pepper plant (either a Trinidad Moruga Scorpion or Ghost Pepper) that I've recently (couple of weeks to a month ago) moved outdoors (weather above 8-10°C @ night) started showing some weird ...
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What is this thing on the mint plant leaves?
I have a pepper mint plant that I grow using growth light in a windowsill. Recently there has ben some wierd thing on the leaves that I don't know what is. Is this an infection? Is it fungii? Is it ...
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Why is my foxtail palm not growing new fronds?
My foxtail palm is no longer growing new fronds. Some of the older ones grew stunted but the fronds are dark green. I replanted a 15ft palm about 2 years ago and fertilize it every 3 months. The ...
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Cactus problem with discolouration
Our 7ft high cactus has started to develop these brown patches & are definitely spreading. It’s located in a conservatory which is quite sunny but not direct & has been there for a number of ...
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Should I have our old maple cut down?
We have a huge sugar maple in our yard that is almost 200 years old. This spring when cleaning up the yard I noticed a lot of bark and smaller limbs have come off the tree and on one side at least, ...
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Acer tree leaves are not growing
I planted my acer tree last year and it bloomed throughout the year very well. i havent moved it at all. this year the leaves start to come, i can see new leaves bloom but they are dying before they ...
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Can anyone identify what’s happening to these leaves? Insects? Rabbits? Chemicals?
Trying to decide what is going wrong here. These are pepper plants. Recently added perlite and oyster shells to improve water drainage and raise PH. Could that result in this problem? Might it be ...
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What is causing my Areca Dypsis to die?
I bought my Areca Dypsis plant a month ago and very quickly I noticed that the leaves were turning yellow, and others weren't really growing.
I don't overwater my plant and it doesn't receive direct ...
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Suckers on rose bushes
It looks like I have a bunch of suckers on this rose bush.
You can see how they look different from the branch with the true bud. The fat red-leafed branches don’t seem to have any buds at the ends. ...
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What is wrong with my brandywine tomato?
Just when I told my husband I had a great year so far starting tomatoes indoors, I noticed my young brandywine tomato has some sort of disease and it's causing the leaves to have some brown spots and ...
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Brown and black spots on my fiddle leaf fig?
My fiddle leaf fig is sitting in a warm, sunny environment next to a large open window. The soil is kept moist, but it sits in a well-drained pot.
It’s getting brown and black spotted marks across the ...
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Brown leaves on antherium in water
My antherium is developing brown patches on the leaves.
The plant was transferred from soil to water approximately 4 months ago. Filtered water is changed every 2 weeks & soaked plant in very low ...
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Indoor Myer Lemon Tree Yellowing
I do not see any obvious reason for the yellowing leaves. There are no visible pests or scale. It is currently limited to 2 or 3 leaves although the yellowing started suddenly and one has already ...
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What's wrong with these Foolproof Gardenias?
I have 5 foolproof gardenias that are growing in Florida and look very dull and dry with some brown tips on the leaves. I thought they needed water. I've watered more but they are just looking worse ...
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Philodendron leaves losing colour and falling off
My philodendron recently started losing a lot of leaves - to the point that some stems are now almost completely empty. The leaves first start getting pale, then yellowish, then very brittle with a ...
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Coconut palm dried leaves
I bought a coconut palm a few weeks ago. I placed it in my bedroom and it was doing fine. I noticed browning on the leaves 1 week ago. As of today,all of the leaves are dead dry. I checked the pot and ...
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What is keeping indoor basil from thriving?
I have been trying to figure out how to successfully grow basil indoors, but I have constantly struggled to help the basil thrive.
I have two LED grow lights, and the different places on the plants ...
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Why is my Colorado Blue Spruce Dying?
Everything seemed to be green and fine until a couple weeks ago. As you can see in these pictures, the branches seem to be losing their needles in patterns and turning gray, leaving the lower branches ...
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Avocado growth seems stagnant after transfer to soil?
Avocado transferred to soil 3 weeks ago, had long full roots and was in water for about a year. Stem about 15cm long and leaves at the top. Once it stopped growing further I transferred it carefully ...
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What are the dark, dry spots spreading over my rubber tree (ficus elastica)?
My rubber tree has started to exhibit these weird spots under the leaves, it started maybe three months ago, but it took me a while to notice them really. They seem to be spreading from leaf to leaf ...
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why does my Eucalyptus gunni lost the scent?
I planted it last year in my garden in Sintra, Portugal ( the summers are warm, dry and ,always cloudy in the morning; the winters are cool, wet and partly cloudy. Throughout the year, the temperature ...
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Dragon Fruit developing translucent areas which then turn tan/white
I have two dragon fruit plants which were started from healthy cuttings. The new growth segments have developed an odd thing which I can't figure out when reading up on problems and diseases. Along ...
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Why aren't my marijuana seedlings thriving?
Now that it's legal to grow, I decided to try growing my own. I bought a 1000 W LED light and have set up my seedlings in a 2 ft high area and the light is approximately 9 inches from top of plants. ...
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Lilac disease/fungus diagnosis
I have 5 Syringa meyeri cvs all with leaves curling upwards, in on themselves also. yellow with brown/black edges and spots on the leaves. Is this just drought stress or something more serious. If ...
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Rescuing this indoor plant?
This is a neighbor’s plant that I’m trying to rescue.
The 1st picture is what it looked like before I brought it to my apartment. The picture’s about a month old.
Today the hanging pot broke. The 2nd ...
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What is eating my vine?
I’m trying to figure out what is getting at my indoor vine plant. I’ve never seen bites like these before, but found them after a week away on holiday. What do they look like to you? I have a couple ...
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What causes this strange mutation on my Roma tomato?
I'm curious, is this a mutation or something else? This is a store bought Roma plant so I do not know the genetics. The tomato fell off whilst I was collecting my harvest around 8/8/22. It didn't take ...
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What are these dark spots on my tomato leaves?
These dark spots have appeared on my tomatoes. I assume it's some sort of desease, but can't quite figure out which one.
Here are a few pictures:
And a few notes:
the colour of the spots is a bit ...
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What is wrong with this apple sapling?
I have an Opal apple sapling that I've been growing since she was a seed: only for the joy of watching a plant grow; not with any intent that she become fruit-bearing.
She's spent her whole life in ...
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Half or full dead trees after the last winter. How can I "fix" the half dead ones?
Not sure what caused this disaster but we noticed this in the spring. I have not done anything yet because I was hopping some of the branches might come back.
I was told it was a fungus but I am not ...
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White/Yellow Mold or Crust
Walked out to my newly built small plot this morning and saw this white and yellow on my dirt. There is cardboard about 3 inches below this miracle grow vegetable soil and below that clay dirt, so ...
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Why do my grapes burst open before ripening?
I have a grapevine on the southwest. It was put in by the previous owners so I don’t know the specific variety. I have not yet managed to harvest from this plant; we moved in a bit over a year ago and ...
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Pest identification on Fuyu Persimmon tree
My persimmon tree has been struggling for 2 seasons in the CA Bay Area. The leaves have been turning brown at the tips, eventually turning black and falling off. I’ve tried some copper fungicide ...
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What's going on with leaves on my avocado? help
I have an avocado plant in my outdoors, but for some time light spots appear on the leaves, and the tips dry out
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Mamey seedling showing deficiencies that I couldn't fix
I already lost one seedling in the same manner, leaves get yellow spots then the edges shrivel and the whole leaf dies and falls.
My soil test shows issues with micros obviously, I get very bright sun ...
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Am I able to save this Meyers Lemon Tree?
I bought this lemon tree. I’ve wanted one for a long time and this one looked the best out of all the options at the store. I knew it was likely a suicide mission. However, is there anyway to save ...
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Why do my mammoth sunflower leaves look like this?
These are what 2 of my mammoth sunflowers look like out of the 15 that I had originally planted.
I live in growing zone 4, in the Minnesota area, and the temperature has been a steady 80 degrees ...
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What are the white nodules on my Peperomia Polybotrya, near where the leaves fell off?
I'm very new to indoor plants so thought I would ask some more experienced indoor gardeners as I am coming up empty after a few weeks of Google searching. I've had these small white nodules appear on ...
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How can I(if able) bring back a nearly dead lavender plant?
I had to go on a trip for four days and told the person watching my plants that I had given my plants water when they were supposed to get it and that they wouldn’t require any during the duration of ...
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Need help diagnosing pepper pests
I am trying to figure out what is eating holes in the leaves of my plants ( habinero and sweet pepper ). Primarily the holes are in the centre of leaves, with some on the edge of one leaf. and the ...
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What has happened to my hydrangea
I brought this hydrangea plant from a local nursery it was a lovely bright blue when I planted it into the ground. It became like this after a week or so.
Any advice to what could have happened and ...
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What are those tiny potato looking things on morning glories?
I’ve encountered small brown blobs growing off of some morning glory vines. They look and feel rather like potatoes, but they’re only about a centimeter across, and they are above ground. Is this a ...
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Malformation of blackberry canes and flowers
One of my blackberries shows a strange malformation of some (but not all) of the flowering canes:
Flower color is purple instead of white and what would usually be the forming berries is strangely ...
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Verbena leaves getting yellow dots and losing pigment
My verbena is getting yellow dots. It starts with a few of them and then the number of them grows until the leaf turns entirely a lighter shade of green. Comparing it to my other verbena, I think the ...
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Yellow substance on Dracaena Compacta Planter. Should I be concerned?
This is a post from Bangalore(India) (Temp: 20-30°C; Humidity: 75%)
I recently noticed some yellow stuff on the planter(terracotta) of my Dracaena Compacta.
Along with this with the plant also seems ...
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Dark spots on the Laurus nobilis leaf's bottom (Bay leaf)
Could someone help me find what kind of illness is that and how to treat it?
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Little White Eggs on African Marigold Flower
I am in Southern New Jersey. Can anyone advise on what to do about these little white eggs on my African Marigold?
Update: The sun came out a few hours later and dried up the eggs. But, the flower is ...
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Geranium petals are drying out
My geranium petals are drying out. They are sitting in a jute lined crate, plenty of drainage (which I need because it rains on and off in this city a lot). However, I test the soul every few days and ...
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Is it normal for young grape leaves to be reddish?
I have a red grape that I'm taking care of since one year. I don't have details about the exact type. This is in the Netherlands; we are currently getting into spring. I notice that the leaves that ...
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