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Questions tagged [plant-health]

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

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16
votes
5answers
37k views

Why has our lucky bamboo turned yellow?

Our lucky bamboo has turned yellow in a very short time, after we've had it for almost 2 years. We've trimmed all yellow leaves, and changed the pebble to clean the green algae - what else can be done?...
15
votes
2answers
57k views

Can this peace lily be saved?

We have bought this peace lily plant one or 2 months ago, but suddenly all life seems to have gone out of it. Can we still save it? We watered it once a week, so I don't think that is the issue.
8
votes
2answers
3k views

Should I seal the wounds where limbs were removed on a crape myrtle?

I have a crape myrtle that I attempted to transplant last spring. Unfortunately, it didn't do so well (I damaged more of the roots than I intended), and while it did leaf out last year, after a long ...
16
votes
4answers
17k views

How should a lemon tree with yellowing leaves, peeling bark, and small fruit be saved?

Our lovely lemon tree is in trouble... We live in Northern California. Starting mid-last summer our tree began yellowing. We've called an arborist out to the house but the advice has been pretty ...
6
votes
1answer
1k views

What is this plant? What is the white stuff on it?

I've had this plant for a long time, and for most of that time it was outdoors, in a shared area with other plants and heavy sun. It didn't do well, so I dug it out and put in it's own pot, with a ...
4
votes
2answers
528 views

What happens with rosemary if I don't let it hibernate over the winter?

I have a 1 year old rosemary. I read in several (non scientific) articles that I have to put it to 10°C in winter, so it can hibernate (I guess). (Outside it would freeze I think, we sometimes get -15°...
12
votes
1answer
16k views

How can I help a sunburned jade tree recover?

I put my jade tree out to get some sun yesterday, and apparently the sun was a little too blazingly direct. Instead of the healthy red edges I was expecting to see, several of the leaves are now ...
7
votes
2answers
829 views

What is this fungus or weed growing in my flower bed?

I came home today and noticed two patches of this stuff in my flower bed. I recently put down new mulch and I just started watering my lawn again. I live in Texas. 1) Is this a fungus? 2) Is it ...
5
votes
1answer
3k views

Can I fix my lucky bamboo that has yellow stalks?

Is it possible to save my lucky bamboo plant? The stalk is yellow and starting to turn brown but the leaves are still green. I have cleaned the glass container it is in and placed it in indirect sun.
3
votes
1answer
3k views

Why do the leaf tips of my spathiphyllum look burned?

I have a spathiphyllum and I water it 3 times a week. But the leaf tips look like burned. Is that natural or should I do something for it? Also, how can I make it blossom?
22
votes
1answer
31k views

What conditions are necessary to make a potted aloe vera bloom?

I have a potted aloe vera that I keep indoors during the winter and outside the rest of the year. It has leaves one foot long and two inches wide at the base. I fertilize it with tea from my ...
25
votes
3answers
37k views

Why has my mint plant gone all woody/sparse/stringy?

I grew my mint plant in a pot to contain the roots, and that has worked well for 3-4 months. However, the plant is not really producing fresh leaves now. Is there anything I can do?
14
votes
2answers
4k views

Why are there kinks in my aloe vera leaves?

On several of my aloe vera plants, the leaves suddenly became kinked. The leaf would get very thin in a spot and bend over. It starts near the tip and is most noticeable on older leaves. What is ...
2
votes
1answer
68 views

What is attacking my morning glories and how do I get rid of it?

enter image description here What is this affecting my morning glories? And what can I do to help get rid of it? I have took a wet napkin and wiped them off today. I also have seen small bugs ...
14
votes
1answer
4k views

How do you save an aloe plant whose stem is weak and appears to be rotting?

I have a large aloe plant that is probably 5 years old and has bloomed twice. Stem is very tall and leaves are approximately 2½ to 3ft (750 to 900mm) long and still very green except at the stem ...
5
votes
5answers
8k views

Is this pineapple plant dead?

I planted a pineapple plant. Some leaves died. Tips of others died too. But, as you can see in the picture, most of it is green. It has been this way for months, and no new leaves grow. Is it dead? If ...
4
votes
2answers
41k views

Why did my young cucumbers turn yellow and fall off?

small cucumbers turned yellow http://imagizer.imageshack.us/a/img537/2604/223Te1.jpg My baby cucumbers turned yellow and fell off. I have 2 cucumber plants that produced 8 cucumbers each, however, ...
3
votes
1answer
795 views

How Should I Take Care of These Two Phalaenopsis Orchids with Different Behaviors?

I bought a pot of Phalaenopsis Orchid while its flower was almost dead a few months ago. Several weeks later I bought another pot with no flowers on it. I've been keeping both pots in the sitting room ...
3
votes
1answer
1k views

Tiny Yellow spots on Dracaena Reflexa Pleomele. What I am doing wrong?

It's not on all leaves, but, let's say, on 70% of the leaves. Well-drained soil. Medium-bright indirect light. I water it every two days, ~250ml water. It was fine a few days back, but now the leaves ...
15
votes
7answers
10k views

Chlorine vs Chloramine: Both harmful?

I've seen a lot of information saying that chlorine can be bad for some plants and the suggestion to let the water sit out for several hours before using it on plants. I rarely see anything about ...
4
votes
2answers
10k views

What's causing these small black spots on my basil plant?

I have a basil plant in my flat which has recently developed some light patchy areas with small black spots. Can anyone tell me what is causing it? I occasionally use some left over Tomorite to feed ...
11
votes
1answer
5k 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 ...
10
votes
1answer
669 views

What's wrong with planting a tree deeper than the root flare, or mulching higher?

People tell you that when you plant a tree, you should plant the root flare level with the soil line. And when mulching, that you shouldn't pile the mulch up over the root flare. What harm can be ...
10
votes
1answer
7k views

Venus flytrap/Dionaea muscipula doesn't grow traps anymore

I've had this Venus Flytrap since about 6 months. It was in bloom when I got it (for some reason shops like to sell flowering plants). I read that flowers take a lot of energy from the plant, and ...
7
votes
1answer
3k views

Why is the foliage turning yellow on this climbing indoor vine?

I've had this plant in water until it grew enough roots and a few more leaves. I'm not sure what kind of plant this is, but its starting to grow longer; when it was only one little leaf when I rescued ...
5
votes
2answers
60k views

Why are my chilli pepper leaves curling and new flowers are falling off?

Could you please tell me why my chilli pepper plant leaves are curling. The plant has grown to about 15" tall and has produced some chilli peppers. The peppers are already maturing but new flowers ...
4
votes
1answer
16k views

Young avocado plant has brown spots spreading on leaves

I have been growing in my flat an Avocado plant sprouted from a seed in December. It developed well, up until about a month ago, but then brown dots started forming on the leaves, the oldest leaves ...
4
votes
1answer
438 views

Can I use an NPK compund fertilizer on herbs?

I have some "Low nutrient NPK compound fertilizer" which is sold as Citrus Food left over from a Calamondin tree which has sadly passed away. Can I use this fertilizer on my herbs? They are basil, ...
4
votes
1answer
108 views

Extending Life of Cut Flowers

I was reading this article on Extending the Life of Cut Flowers and had a couple of questions. As was also pointed out on How to keep my roses fresh?, you should cut the stems at an angle under ...
13
votes
1answer
1k views

What causes spruce branches to drop their needles?

I have a spruce tree that has a problem. Every year, some branches suddenly drop all of their green needles and die. I would like to prevent this, but I don't know what the cause is. What causes this ...
12
votes
2answers
294 views

Chuck the plant - am I ill?

My name's Chuck, and I'm a plant. Bamboo tells me I'm a Sansevieria trifasciata laurentii, also known as "Mother in Law's Tongue" or "Snake Plant" (see other question here). I live indoor with my ...
11
votes
3answers
2k views

Cherry sapling has orange dots on its leaves and the tips are wilting. What could be wrong?

I recently planted a cherry tree sapling about two weeks ago. It's about a handspan high, and has four leaves. I noticed that it had orange spots on one of the leaves when I planted it. Click on the ...
10
votes
1answer
846 views

Can I cover an evergreen shrub in winter?

I have a small evergreen shrub that gets frost burn in winter. I had been told to use tar paper on it over winter, but I was concerned that since it is a broad-leaved evergreen it might need light in ...
10
votes
2answers
4k views

How do I treat rhubarb rust?

I have a small rhubarb plant and one of the stems has gotten some rust on it. What should I do? (there are only 3 small stems on the plant)
9
votes
1answer
1k views

When should I transfer from pod to pot or ground?

Since the pre-sprouted plant season is in full bloom, what is a good indicator of the time to transfer a pre-sprouted plant? For instance I have a mexi-bell pepper in a plastic pod and two basil ...
8
votes
1answer
2k views

How to straighten an Aloe vera plant?

I have a huge Aloe. I've had it for about 3 years and it was huge before I got it. It just blossomed for the first time. Actually I should say it has a first time bud. All I do is water it and leave ...
8
votes
1answer
1k views

Ginger plant too tall for its own good

My ginger plant is about 33 inches (85cm) tall now, and still plans to get taller. Is this normal? I'm afraid it will fall off and break its stem, and I really don't want to hurt the root down there ...
7
votes
2answers
1k views

Is it okay to grow English ivy on the base of a tree trunk?

In one place in the yard, there is a carpet of ivy under a black walnut. Would it harm the tree in any way to let the ivy up to the base of the branches? I would like to do this so that the whole ...
7
votes
2answers
1k views

Do I need to leave space at the base of a plant so that air can get into the soil?

I have heard this mentioned many times that at the base of a tree or plant you need to leave the surface uncovered so that air can get into the soil. How true is this? The idea is that if you are ...
7
votes
1answer
7k views

What could cause my coriander plant to start browning?

I grew coriander from seeds and the plant has done marvellously well until the last week or two where it appears to have stagnated a little. I noticed that some leaves have began to brown entirely, ...
7
votes
1answer
233 views

How can I revive these house plants

This first house plant/tree I bought around 6 months ago here in London UK, I water it every few days or so, but haven't changed the soil or repotted it. Most of the leaves have since fallen, it does ...
7
votes
2answers
2k views

Why has the stem of my chili plant split?

I have a couple of newish chili plants growing in pots on my windowsill, they're about 15cm or so tall and seemed to be doing well enough so far. However, this morning I've noticed that the stem at ...
6
votes
1answer
509 views

Identify striped bug on plants: safe or suspect?

New to gardening, many species are unknown to me. This one (and many of its friends) with nice metallic colored stripes just apppear on my lavender, rosemary and slightly less on honeysuckle. What is ...
6
votes
2answers
378 views

Which plant is this? “Dead ends,” pruning, watering tips

This plant has been in my possession since last summer (I moved into a new, and otherwise empty, apartment one year ago). I wanted to keep it, but because there are no labels, I decided to water it ...
6
votes
4answers
32k views

Will Arborvitae regrow to their usual shape after being partially eaten by deer?

I planted a bunch of Arborvitae in my yard and last winter the deer ate the bottom portion of 2 or 3 of them. I did some Googling to see if they'd grow back, and while most sources say that they will ...
6
votes
4answers
14k views

Why does my Norfolk Island pine tree have brown needles and drooping branches?

My Norfolk Island pine is not doing so well; the needles are turning brown and the branches are drooping. Why did this happen to my plant, and how can I cure it? Click photos for full size
4
votes
1answer
1k views

Help! My Song of India (Dracaena reflexa) plant is dying!

Few weeks ago (probably 2-3), I was re-potting some of my plants. One of the patients was Song of India. The other two plants had severe root bounding. After re-potting them successfully, I started ...
4
votes
1answer
3k views

Black patches on aloe vera leaves

Please tell me if this Aloe Vera leaf is healthy. Most of the leaves are green but there are some leaves with these black patches. Is it safe to consume these leaves raw?
4
votes
1answer
112 views

Home-made Solution for White-Spotted Curley Leaves on Pepper Leaves

I had bought 10 pots of peppers a while back. Not all of them seemed healthy, but since they had the fruits, I thought I can use the fruits and bin the pots if I can't keep them. I was keeping them in ...
4
votes
1answer
592 views

Do eaten leaves on a guava tree mean the tree needs help?

I planted a guava sapling in my yard and in a few months, have noticed a few leaves being 'eaten'. Is this just some insect feeding of a few leaves and should be of no concern ? Or is this an ...