Questions tagged [plant-health]

For questions about how to maintain or assess a plant's health.

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22 views

Treating powdery mildew

Our tomato plants got powdery mildew problem, because of wildfire at west coast, there was not much sunlight, and even some leaves at top has powdery mildew problem, as you can see in the first ...
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When to move Euphorbia milii to full sun?

Yesterday I bought a Euphorbia milii (Crown of Thorn) in a 6" pot from my local Home Depot. At the store it never received full sun. I know that this plant thrives with direct sun, so I'll be ...
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Farfugium Single Stem/Leaf Discolored?

I have two Farfugiums near each other in my garden: #1 looks good to me (the stuff accumulated in leaves is just throw-off from a nearby crepe myrtle): https://www.dropbox.com/s/h59trbmll5z7yk8/2020-...
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What's causing my pepper plant leaf to curl downwards?

This is grown indoors. No insects except fungus gnats. The plant's color is a healthy green with no spots or yellowing. The bottom set of leaves were also curling downwards when the plant was about ...
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How can I help my succulent?

so I think I have an Haworthia Fasciata and I’m not sure what I’m doing wrong. I think I was over watering, so I stopped watering And put it outside for 3 days to dry out. it’s been a few weeks now ...
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What do I do my aloe plant has root rot

Hi I was wondering if someone could help me. I discovered root rot on my plant. I removed the rotten leafs. But I want to know if I can keep the roots.
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Dying Jacaranda

I posted a few weeks back asking you guys why there was a deposit on my Jacaranda leaf. I didn’t got an answer but I found out online it could have something to do with my water and that it was ...
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Begonia (angel wing) has scraggly leaves

My begonia has developed the weirdest leaf symptoms over the last few months and I can’t figure out what’s wrong. The stems are strong and the growth rate seems normal, but nearly every leaf developed ...
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52 views

What is the best way to de-weed a lawn?

As a very inexperienced gardener, what is the best way to de-weed a lawn? Having recently moved into a new house, the garden is generally in a very good condition- the previous owners were obviously ...
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2answers
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Avoid fungus on top soil (indoor plant)

I’m growing some sweet potato vines inside my house out of a well-draining tin pot. Where the vines cluster together, naturally less sunlight reaches the top soil and I’ve got little white mould spots ...
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Coleus leaves have been slowly losing their color, whats going wrong?

I recently planted a set of three coleuses outside (in Florida) and two seem to be doing fine but one has started losing the color in its leaves. I'm worried about it dying, can someone tell me what ...
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1answer
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Can plants in soil less culture (rockwool, coir) survive on a nitrate based nutrient solution without ammonium?

I have studied nutrient composition of fertilizers. Most soil fertilizers contain an about equal amount of nitrate and ammonium as a source of nitrogen, while most soil less fertilizers contain more ...
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1answer
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Will foxtail palm grow in pot in unbearable heat and sun?

We live in the Caribbean and we're thinking of adding a potted foxtail palm tree to our uncovered rooftop. The issue is that it's always hot here year-round. Right now, the temperature can be 90-100 ...
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How to water very small plants correctly?

I have planted Parsley(one in the green pot) and some flowering plants in small pots indoors with holes at the bottom for drainage. I've seen small white pebbles recently which when I googled seem ...
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What's wrong with my fairy castle cactus?

My cactus used to be really thick and dark green but now it's so much skinnier and starting to shrivel up. Some of the arms are turning a dusty kind of brown and they're all leaning away from the stem ...
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What’s happening to my Jacaranda

Recently my jacaranda leaf are starting to appear lazy and heavy. I’ve notice some deposit on the leaf, what is it? Should I be worried?
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1answer
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What are these bugs infesting my jade plant and what to do about them?

I started putting my jade plant outside (fire escape) every morning because I live in an apartment and was trying to maximize sunlight. But then I noticed my jade plants were shriveling and turning ...
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Why is my “Alocasia amazonia” leaf yellowing and drooping?

Got the plant a week ago in a pot with 4 other plants. I propagated them all into one individual pot each. Suddenly, one of the leaves on one of the plants broke and the leaf starts yellowing. The ...
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23 views

Dry plant is back to life

My plant went dry when the covid started, I couldn’t give it too much attention (but it has a drip irrigation) on how it went, but then I noticed it was all dry (not a single leaf). Some weeks ago, ...
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19 views

Yellowing spotted morning glory leaves

I'm wondering what's causing the leaves of my morning glories to turn yellow and develop black/brown patches, along with what looks to be like white mold, as shown in this photo: This is worse in the ...
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turf problems and turf recovery

I live in portugal, and after Summer holidays I found the lawn infested with the grass in the photo. the lawn have a lot of sunny, watered during the night, and the terrain is sandy. I have about 50% ...
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1answer
23 views

Browning on Silver Spurflower leaves? Is this a fungus or lack of water?

I have noticed over the last week my Silver Spurflower leaves have started to go brown and start curling. They are in large containers and other plants in the containers have also been getting similar ...
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2answers
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Why are my Azaleas failing?

I bought 5 azaleas from the garden centre about 4 months ago and planted them in my front garden. 3 of them are doing fine (the first two pics show what they are like). But 2 of them are really small ...
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1answer
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holes in bell pepper

I'm at Seattle. Recently, I found holes on our bell pepper even when it's small.. Any ideas on what caused it? There're also some holes on leaves too, but not a lot. Shall I buy some oil or insect ...
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1answer
34 views

How should I diagnose leaf problems on these bonsai?

I have two informal maple bonsai (i.e., seedlings that I dug up from the garden and potted), both of which have some browning on their leaves: Preliminary research indicates that this could be ...
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1answer
28 views

How can I rescue this lemon tree?

I've been growing a lemon tree from a store-bought lemon seed for about half a year now. A few days ago the temperatures have started to increase and since then the tree looks dried out, even though ...
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White spots on Tulsi leaves

There are white spots on the Tulsi leaves. Can't go outside to buy manure or fertilizers due to lockdown. Please suggest home remedies for this..
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1answer
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The new leaves of my ponytail palm are cracking at the base, why and how do I fix it?

You can see my ponytail palm in the first picture. I have begin to notice that the new leaves after reaching a certain length start to crack near the base, (picture 2). In picture 3 you can see how ...
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Why are my Acer seedlings drying up and dying?

I’ve grown lots of little Acer seedlings from seed I picked last autumn and germinated early this year after 100 days in the fridge. I was very excited about the success of the seeds but now at a good ...
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1answer
33 views

Chrysanthemum blooms partially deformed and colors faded

I bought a potted Chrysanthemum from the local nursery over a month ago while the plant is still budding. Haven't repotted it since day 1. It bloomed very well couple weeks after I bought it and ...
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1answer
41 views

Why are these ferns growing poorly?

I bought these three ferns at the same time. They came in 10cm pots so I planted them in 20-30cm pots. They are in a shady location with a limited amount of sunlight for some of the day. I water them ...
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2answers
42 views

Tomato planting withering for no reason, please help

Most of my balcony tomatoes have been doing well, but this plant started to seriously wither 2-3 days ago. It is about 3 months old. It is well watered. Container has drainage holes. Fed with liquid ...
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1answer
51 views

Why are my tomato plant leaves curling

I’ve got several tomato plants. They are all in large containers, watered regularly and given tomato feed every 2 weeks All of the leaves are starting to curl as seen in the pictures below. Does ...
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1answer
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Why is my bristle bush learning

I cant seem to do anything with this. I tried to add a pic. It was sideways. Then it says I had to have words here. Well that removed my pic then the heading was too long. I just repotted and in did ...
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Is my Areca palm dying? How to save it?

I was gifted this areca palm about 8 months ago. It was fine for the first 3-4 months. After that it has started yellowing, the fronds are not straight as well. Earlier I used to water it about once ...
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1answer
17 views

Reduce stem growth of flowers

I have 2 trough planters with various flowers in thank my kids have planted. As you can see from the images below, they have grown quite tall and the bottom of the trough where the stems are look a ...
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NUBS falling off OKRA PLANT

I have healthy okra plants based on leaves and trunk observation, with small buds that are taking too long to blossom. They are planted in 5 liter pots. I found 1 flower that has dried up and fallen ...
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The leaves on my peace lily are turning brown and yellow, the tips as well as the edges?

I got a peace lily plant from ikea a 5 months ago and ever since then the tips of the leaves are turning brown, or some of the leaves will turn yellow and then go brown form the outside in. I water it ...
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Why are my green pepper plant leaves deformed from the top?

I live in Toronto, Canada. I have noticed some of the leaves of my Green chilli plant curling at the top, always towards the side. Also, some leaves are deformed. It would be great if you can help me ...
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1answer
20 views

What are these spots on my daylily leaves?

A few of the leaves on my daylilies have these spots. Should I be worried?
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Scallions wilting/dying?

I'm the same writer as This. I've been checking my scallions the past few days and well... They don't seem well... The Scallions on the top and bottom of the picture appear to be wilting or dying, and ...
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1answer
28 views

Bonsai ficus has brown spots on leaves — how do I diagnose and cure?

My ficus bonsai has these brown spots: It's only a few leaves, but obviously I want to get ahead of it. Preliminary Googlage says that this can be caused by bacteria or fungi or insects: how can I ...
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1answer
56 views

My plant is drying and dying. What should I do?

I bought this bush/shrub/plant about a month ago but I can't remember the species. It was very green, the leaves were curled and very little and it had very little white flowers. When I bought it ...
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1answer
27 views

Clematis wilt or poor plant?

I bought a Clematis triternata rubromarginata. It was unusual and scented. It put on some growth and I was pleased. However, new shoots always seemed to grow away and then 'fall' back. I examined the ...
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Planted New Elberta Peach Tree

everybody! I just planted an Elberta Peach tree that’s about a year old. When I got it from the nursery, it had holes in the leaves but no bugs. So I went and got some neem oil to spray it with. Well....
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1answer
46 views

How to nurse a plant damaged from shipping back to health?

I ordered a Peperomia Argyreia (Watermelon) and it arrived today. 5 out of 7 of the leaves have some or a lot of browning/blackening on the underside of them, with the 3 biggest ones all having some ...
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Brown spots on Philodendron Congo Green?

my philodendron congo green have brown spots on almost all leaves (even the newly sprouted ones). However, the older leaves don't have the problem, and they have much darker green color as well. I ...
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1answer
15 views

Purple rash on Espelette Pepper leaves

This is my first time posting on this stack, so excuse any ignorance! I have been growing Espelette Peppers in Paris (France) under a grow light during the colder days and hardening them off to our ...
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1answer
92 views

Marigold flower partially wilting and leaves are curling

I bought a marigold plant two weeks ago and it started by a beautiful bloom. However, some of the biggest flower slowly becomes brown and wilted. The leaves are curling and dried too. So I cut out the ...
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32 views

Kentia Palm drooping, browning, and tiny black spots

We got a Kentia Palm about 5 months ago, and it was doing pretty well. We had it in a room with reasonably bright indirect light. And, we thought we were watering it appropriately only when the top ...

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