For questions about a plant that's failing to thrive, and where the cause is unknown.
3
votes
3answers
385 views
What are some reasons why a blueberry bush's leaves turn yellow?
I have two types of Southern Highbush blueberry bushes, Misty and O'Neal. This spring, I noticed that their leaves are yellowing as shown in the photos below:
Misty:
O'Neal:
They are in 100% peat ...
3
votes
1answer
26 views
Why are my raspberry's leaves curling up?
Last fall I planted 4 raspberry plants, two Heritage and two Killarney. Recently the two Heritage have had a handful of leaves curl up and fold in half so you only see the bottom of the leaf which ...
1
vote
1answer
41 views
Why have some of the leaves on my cherry tree sapling suddenly gone very pale?
Several months ago, I planted three cherry trees, one in the front garden, one in the back and one in a container in the house. The one in the front has really struggled, whereas, predictably, the one ...
2
votes
2answers
50 views
Why is my Norfolk Island pine not doing well?
My Norfolk Island pine is not doing so well: the needles are turning brown and the branches are drooping. See photos below.
Why did this happen to my plant, and how can I cure it?
Click photo for ...
2
votes
0answers
41 views
Why is my chili plant drying out when the soil is moist?
What is happening to my chili plant? The soil is moist but the leaves are drying out. I have the plant in a pot in the bathroom with plenty of light from the skylight.
There are plenty of flowers but ...
2
votes
1answer
35 views
Do I have a diseased clematis?
Can anyone identify what is wrong with my clematis?
The leaves are browning and there looks to be a mold or fur growing on it.
9
votes
1answer
255 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 ...
5
votes
4answers
207 views
Second opinion: Arborist says tree needs to go
I just had an arborist look at a red maple with a long bark split in my yard. His diagnosis was that it was struck by lightning (there was a close lightning strike a few months ago) and the tree needs ...
13
votes
3answers
4k views
why does my grass have bright green patches?
My yard is about 6 years old (new house). When we put the yard in, the seed was equal parts Fescue, Rye, and Kentucky Bluegrass. We live in NE Ohio.
About 2-3 years ago, we started getting these ...
1
vote
2answers
166 views
What's wrong with my chili bush?
I've had a chili bush I grew from seed for about a year now, and it's finally growing into something resembling an actual bush (rather than just a seedling) and it was going great until the last few ...
5
votes
3answers
5k 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 ...
1
vote
1answer
44 views
How do I deal with a pine tree infestation?
My pine tree is heavily infested with some kind of white stuff. It looks like some kind of scales or white powder that is covering all the pine needles. Anyone know how to deal with this without ...
5
votes
1answer
184 views
Are large strawberries supposed to be fan-shaped?
My new Gurney's Whopper strawberries are growing large as advertised, but are an odd fan shape. Is this normal or am I doing something wrong? I have here a picture of Gurney's Whopper strawberries ...
2
votes
3answers
175 views
What is happening to the leaves of my Ipomoea (Morning glory)?
What could be the reason to cause this discoloration of the leaves? The discolored parts you see here get thicker over the time until the green color disappears. It does not seem that the leaves dry ...
6
votes
2answers
118 views
cultivating a cactus from cutting
I've recently gotten a san pedro (Echinopsis pachanoi) cutting as a gift. I'm trying to take care of it as good as possible, but I'm not sure if I'm doing it the right way.
The situation is: the ...
0
votes
2answers
83 views
What are these sphere-like things on my Camellia azalea tree?
There's about 3 of these sphere things on my Camellia azalea tree/shrub. Can anyone tell me what they are? Are they harmful? And also the leaves are browning at the tips and falling... Is that due to ...
2
votes
1answer
64 views
What are the growing conditions for Camellia azalea? Especially it's water needs
I have bought this rare breed of Camellia, the Camellia azalea. It's originally from China I think and I have mixed in some coco husk to allow for good water flow and prevent clogging the soil with ...
2
votes
1answer
116 views
My Air Plant (Kalanchoe Pinnata) is attacked, how do I save it?
My Air Plant (Kalanchoe Pinnata) is attacked by little green worm like insects which are eating its leaves.
Slowly one by one, all of the leaves are dropped by the plant, now it is left with just ...
1
vote
1answer
163 views
Why are my aloe's leaves bent and drying up, and what can I do to help it grow?
My aloe plant is not growing right. I've had it for about a year and the leaves are bending and drying up. Please help me because I don't want it to die, they are very beautiful plants. Can I ...
2
votes
1answer
73 views
Should I cut leafless stem off of plant?
I have a ( Indoor ) plant that has been drooping lately and its stems are long and touch the floor. I'm not sure if the stems are supposed to be stiff, or if that is just the way the plant is supposed ...
2
votes
0answers
85 views
Mexican Avocado tree grown indoors 1½ years old has round spots on leaves
I have a Mexican Avocado tree growing indoors in the winter (we live in the Northeast) outdoors in the summer. It has developed white round spots and the edges to the inside are becoming brown and the ...
1
vote
1answer
66 views
Box-blight or just the effects of winter
I have some small box-trees which start to have some yellow leaves on the top of some branches. Is this the start of box-blight or just the effects of winter. We have some low temperatures (down to -5 ...
1
vote
1answer
76 views
Can we save a dying chili pepper plant by grafting?
I have a dying Jalapeno plant and I want to save the fruits that are already growing, can I use grafting procedure to save it from dying using a well grown Jalapeno plant.
5
votes
1answer
132 views
What is this mark that appears on my small green plums?
After the flowers fell the green plums started growing. As soon as they were 1/4" across, They began developing these little sunken black marks. I have been consistently spraying with fruit tree ...
8
votes
2answers
149 views
What could be the cause of death for my carnivorous plants?
In the past year I've had a venus flytrap and two sundews that each arrived healthy, flourished (and ate!) for a month or two, and then died (after which I tried again and bought a new one!). They all ...
8
votes
2answers
888 views
Why is my pear tree dying around the blossoms?
Shortly after the blossoms fell on my pear, areas around the blossoms started to turn black and die. This is spreading. Although the dead areas tend to be on the end of the branches, there are ...
7
votes
1answer
738 views
Why isn't my lemon tree growing?
We planted a lemon tree five and a half years ago. Today it's about the exact same size as ever.
I've tried using citrus fertilizer, but to no avail. We've had dry summers and wet summers, but ...
2
votes
2answers
994 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 ...
3
votes
3answers
430 views
Ants and white/gray/brown spores all over my gardenia
I planted my gardenia four or five months ago.
I noticed, recently, that (a) growth has stunted, and (b) there are ants all over the plant (base, leaves, etc.).
There are also white little dots ...
7
votes
4answers
6k views
How do I encourage morning glories to bloom?
I know that many of you will find this unbelievable -- but my morning glories did not bloom this year.
For those of you that live where morning glories are a perenial that borders on "weed" this ...
5
votes
1answer
212 views
Why is my cactus purple?
This has been going on for a while (about a year), one of my cacti has turned purple. I've just replanted it after its pot fell and broke (no, it did not spend the year on the ground). What is the ...
9
votes
2answers
317 views
What is this brown, shell-like thing growing on the stalk of my avocado plant?
Could you please help identifying this brown shell-like thing growing on the stalk of my avocado plant?
There are several of these. It looks like a little shell (with the appearance of a ...
3
votes
1answer
178 views
Peppers not growing - growing tips diseased?
Please have a look at these images of my hot pepper plant. Notice the growing tips which seem withered and diseased.
What disease is this and what is causing this? What are the solutions to counter ...
3
votes
2answers
684 views
Why do some of my zucchini shrivel and turn yellow at the blossom end?
Every year, I grow a zucchini plant, and every year a few of the zucchini stop growing once they reach a few inches in length, then turn yellow from the blossom end:
Left to themselves, they will ...
2
votes
1answer
506 views
How can I protect my citrus tree leaves from being eaten?
A couple of years ago I planted a lemon and a lime tree in my garden. They've been growing quite well but recently I noticed the leaves are patchy and holey - something has been eating them. What's ...
2
votes
0answers
176 views
brown patches on acanthocereus tetragonus (fairy castle cactus)
I've had this pair of fairy castle cacti for several years now, and they've done fairly well. However, I noticed today that they have developed brown patches over most of their stems and a few areas ...
1
vote
1answer
308 views
citrus, curled leaves
Is anyone able to identify this disease / pest? We have this on several citrus of different types including an orange, grapefruit, lime, and a mandarin orange.
My first thought was that it could ...
1
vote
1answer
167 views
How can I make my Moringa Oleifera happy again?
I'm having some problems with my Moringa Oleifera. It's about 6 months old and is placed in a sunny window (oriented south), in southern Sweden. It's been growing well and looked healthy until ...
1
vote
0answers
70 views
What's making holes in the trunk/stem of my succulent?
Something is making holes in the stem/trunk of my succulent, and is now making holes in an offshoot. When I stick my fingers in the dark hole, it feels gritty.
I don't see any insects in the hole or ...
5
votes
2answers
689 views
Tomato plants got black stems and the leaves dry out
I was so proud of my tomato plants (grown from seeds), but now I'm worried that they have died...
Instead of having a usual French summer (with 30 C at least and dry weather) it is raining a lot and ...
4
votes
1answer
227 views
What's causing these yellow veins on my Okra leaves?
My Okra leaves have turned as shown below
Is this a deficiency or a disease? How can I remedy this?
Location: India. Weather In May-June: Hot! > 95F days.
Current: Overcast with light rains.
1
vote
1answer
175 views
potted, indoor freesia: dropped flowers, yellowing leaves?
I bought a young (I'm guessing.. 6"-8" tall) Freesia about a week ago. It was doing well at the time of purchase, but it's been all downhill since. Within a few days, the flowers shrivelled then ...
4
votes
2answers
220 views
What is causing a white rash to appear on the leaves of Pedilanthus tithymaloides?
My Lightning Bamboo Green (Pedilanthus tithymaloides, also called Euphorbia tithymaloides) feels well at my home; he already has a sprout.
So I can't explain what the white rash on the leaves are. It ...
5
votes
1answer
236 views
What is causing diseased leaves on my French beans?
My French bean plants have diseased leaves as shown below:
What can be causing this? The beans themselves are relatively plentiful.
Location: India. Weather In May-June: Hot! > 95F days.
The ...
4
votes
1answer
121 views
Why are my lemons cracking?
My lemons are cracking as shown in below image:
What can be causing this and how can I prevent this in the future?
Location: India.
Weather In May-June: Hot! > 95F days.
2
votes
2answers
477 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! > 95F ...
4
votes
1answer
251 views
White stuff on roots
When I uproot my vegetable plants or even sometimes when I remove weeds, I see this white stuff in the soil near the roots:
http://imageshack.us/photo/my-images/717/img1014be.jpg
...
5
votes
1answer
386 views
Are my orange tree's yellowing leaves a sign of underwatering?
I have a mature orange tree in my back yard and I've noticed that the lower leaves at the extremity of have started to to yellow over the last couple of months.
Is this a sign of overwatering? ...
5
votes
1answer
186 views
Why are my eggplant seedlings not thriving?
I have started a bunch of seedlings and some are doing really well others are not, under similar conditions. I used 6-8 inch wide pots, ~6 inches tall, potting soil, and left the pots in front of a ...
10
votes
1answer
632 views
Some of my ferns have brown spots on the tips of their leaves. What causes that?
I have a few ferns with long pointed leaves, and their tips have turned brown. The plant is otherwise healthy, and is actively growing.
What is causing that? Should I worry about it?
