Plant organ used for photosynthesis

learn more… | top users | synonyms

1
vote
1answer
20 views

Pruning and caring for heuchera / coral bells that have gotten too much sun?

It's getting into the driest, hottest part of summer here in MI and my heuchera / coral bells are starting to show some dissatisfaction with it. The outer leaves are browning and turning crispy. My ...
7
votes
2answers
91 views

What is causing dry, dark green spots on the leaves of my new basil plant?

I just bought a basil plant this past week at the supermarket to have some fresh basil for cooking. It had some dark green spots on it, which at first I assumed were just dry/dying leaves. I'm not so ...
1
vote
1answer
72 views

White fuzzy hairy stuff on plant leaves…ugh, what to do

The plant is healthy otherwise, I see a few ants crawling around on it. Is this a sickness? How do I remove this and get shiny leaves like I see others have?
2
votes
1answer
81 views

Why are my chilli plant's leaves turning upside down?

I have a small chilli plant. It's in a pot and yesterday I put it outside in the sun. When I brought it back inside some of its leaves had turned upside down. What is the problem?
2
votes
1answer
41 views

Can anyone identify this maple-type leafed plant?

This plant was growing like a vine within an evergreen I have. The thickest part of the stem was about .33 inches wide and it was woody. From that there were lighter green stems that branched. ...
2
votes
2answers
26 views

My red leaf corkscrew hazel is going green?

I have a red corkscrew hazel: It's in a large pot, and I'm not in a position to plant it out (nor will I be any time soon). However I've noticed that some of the leaves are going green - a lot ...
4
votes
1answer
63 views

Is my mint plant dying or diseased?

About a week ago I decided to propagate a healthy stalk of mint that I had bought from the grocery store. The roots appear to be healthy and full, but two of the leaves appear to be abnormal. One of ...
3
votes
0answers
36 views

Are these eggs on this Sugarcane Jujube leaf?

This is a leaf from a Sugarcane Jujube tree in Arizona. Are these eggs on the underside of this leaf? If so, what type of insect would they be from?
0
votes
1answer
89 views

Money plant leaves are too big ~6"

Why is my money plant (pothos) growing such big leaves? https://instagram.com/p/3u2cUloqIP/
2
votes
1answer
50 views

Why are the leaves on my Peace Lilly turning yellow and brown?

Several leaves of my Peace Lilly are turning brown directly, or after first turning yellow. I'm pretty confident I'm watering it the right amount, but the hot weather started here in Madrid about 10 ...
1
vote
0answers
43 views

What is causing yellow spots on my cucumber leaves?

I planted these cucumbers last week, and yesterday I noticed the leaves have yellow spots and edges. Do I need to buy new plants?
1
vote
0answers
35 views

What should I do to prevent kiwi leaves losing their color?

My kiwi leaves are losing their green color too fast. Even new, small leaves can lose it and fall off. The kiwi is 1 year old, grown in a pot in my apartment. It is not close to a window or a ...
0
votes
1answer
33 views

What flowers require a period of time after blooming before pruning the leaves?

The author of this answer explains that the leaves of daffodils and tulips should not be cut down or otherwise disturbed for six weeks after the flower has gone by, as they are providing the necessary ...
3
votes
2answers
341 views

Why are the leaves curling on my snowball bush?

Our small snowball bush has some curled leaves. I don't see any evidence of any bugs eating it or damaging it. What could be causing it? What can I do to treat/fix it? Click on photo for full size ...
6
votes
2answers
58 views

How can I compost oak leaves and sawdust?

I have the enviable problem of having several (6 or 7) cubic yards of both oak leaves and oak sawdust from having logged off and making cabinet lumber from many oak trees that once grew where our ...
1
vote
0answers
21 views

What is causing yellow leaves on my Morning Glory? [duplicate]

What's wrong with my Morning Glory? It's grown outside, the temperature has been around 5-10 °C at night and 10-30 °C at day time since I planted them. Could it be cold, pH, overwatering?
1
vote
2answers
56 views

Why do we have yellowing watermelon leaves?

My husband and I, first time gardeners, planted some watermelon for our grandchildren. We water the raised garden they are in every other night. We have been noticing yellow leaves, but only on the ...
1
vote
1answer
88 views

Why would a walnut tree lose all its leaves in ten minutes?

I watched a walnut tree lose all its leaves in about ten minutes one time some years ago and I was wondering if this is something that is normal and if not would there be a simple explanation for it. ...
2
votes
1answer
388 views

What is wrong with this tomato plant with yellow and black spotted leaves? [picture]

What is wrong with this tomato plant? The yellow with black spots has been spreading through the plant. I am hoping someone knows exactly what this is and how I can treat it or prevent it.
2
votes
1answer
88 views

What plant is this leaf I found in my rocket salad from?

Today I bought some rocket at the supermarket (also known as rucola) and found this leaf (well, my tougue noticed those funny, quite stiff little hairs). It's got hairs all over. Does anyone know ...
5
votes
3answers
129 views

What's causing the edges of my blueberry leaves to burn?

Last year, this Sunshine Blueberry plant was doing stupendously - not a burned leaf in sight. Now most of the leaves appear like they're burning. Also, the fruit never mature to full size before ...
4
votes
2answers
114 views

Why are the leaves of my ginger plant drying out?

It's only been 3-4 months since I potted my ginger plants. I water them every 2-3 days depending on the the weather. I try not to get the soil too moist. Over the last couple weeks, the leaves of one ...
4
votes
1answer
193 views

Does moss sprout leaves?

I had some moss in one of my seedlings pot and I asked what I should do with it here in GSE. I was assured it was mostly harmless so I left it be. However, a couple of days ago, it has sprouted ...
3
votes
1answer
179 views

Grapes leaves too dry - is that normal?

Recently I noticed my green grapes leaves don't look too good. There's nothing like scales or ants or any other sign of parasites. Only older leaves are affected, new ones are fine as you can see on ...
3
votes
1answer
168 views

What is this large plant that came up when I turned my soil?

I turned my soil recently and this huge plant started to grow. I have put my hand there to show the size. It does not seem to be a weed so I would really want to know if this is some kind of vegetable ...
4
votes
2answers
306 views

Why are the leaves of my Peace Lily wilted and black?

I recently bought a flowering house plant. I may have watered it too much, me thinks. Since my apartment gets little natural light, I put it outside on the patio the other day in direct sunlight, only ...
4
votes
1answer
65 views

How to check if a tropical tree has survived a subtropic winter?

I am currently living in the California Bay Area, a subtropic region. I grow quite a few tropical trees in my backyard. This winter has been the first subtropic winter that these trees have ever ...
2
votes
1answer
63 views

Should I let my basil leaves age?

Is it okay to let the basil leaves "age"? Like the leaves at the lower part of the stem. I pinch back my basil plant at the top, so the leaves at the bottom doesn't get touched and grow larger. I have ...
4
votes
1answer
99 views

What are these red spots on my guava leaves?

I had purchased a guava tree (in vase) a month ago and from the beginning (some leaves had problems when I got the tree), some red spots or areas appeared on the leaves. After a while some of them ...
3
votes
1answer
164 views

What is this plant with red growths on its leaves?

This plant or tree is in front of my house. Can somebody identify this one. It is around five feet height with cherry like red growths on the leaves. Further to my question, I dissected this red ...
7
votes
6answers
251 views

Bonsai shedding leaves 1 week after purchase

I bought the below bonsai tree from Home Depot as a Xmas gift for a friend. I haven't even given the gift yet and the leaves are already starting to fall out en masse. I have the tree indoors in ...
1
vote
1answer
94 views

Why the leaves of my guava getting dry and dropping?

I have purchased a guava plant one week ago. from the start of having this tree, some of the leaves getting dry and wavy then start to dropping without getting yellow. is this natural or my tree has a ...
5
votes
3answers
284 views

What happened? - Chilli plants are developing spots on leaves and the edges are curling

I found some questions about other chilli plants, but I don't think the leaves look quite the same as mine, though it may be the same as the 2nd question posted. What is happening to my chilli plant? ...
2
votes
1answer
65 views

Why is my Schefflera losing healthy looking leaves?

I bought two scheffleras from a grocery store a few days ago. I've never had this type of plant before, so I'm unsure of what is normal for it or not. One seems to be doing better than the other. The ...
6
votes
1answer
469 views

Identify this tree with two different types of leaves?

There are 2 types of leaves sprouting from the mystery root here. You might guess that one is a sprig of tree leaves and the other leaves belong to a weed, but in fact both are growing directly from ...
1
vote
2answers
186 views

Hedge plant (Photinia Robusta) looks like it is dying. Is there anything I can do?

The plant (in the foreground of the picture) appears to be dying after a storm last tuesday. The leaves has got a darkish colour, and the flowers are turning brownish. They are supposed to be bright ...
2
votes
2answers
715 views

What caused the leaf scorch on my Dracaena deremensis 'Lemon Lime' and what should I do about it?

I have a Dracaena deremensis 'Lemon Lime' in my office. Several month ago it began to show leaf scorches. The gardener that sold it suggested it could be a symptom of sun burns. I then moved the ...
2
votes
2answers
145 views

Chili leaves yellowing

I have a plant of habanero chocolate. In August it had very beautiful leaves, with an intense green color: It was in a tiny pot, so I decided to transplant it in a bigger vase, filled with a mix of ...
2
votes
3answers
2k views

Why are my tree ferns' leaves drying out and dying?

I have several large tree ferns that are dying. The leaves are turning brown, not one at a time, all together, and then dying. It seems to be spreading to other ferns in my yard. They have been here ...
4
votes
1answer
90 views

Why are my blackberry leaves tasting like sulfur?

People don't always realise but you can eat a certain amount of blackberry leaves (and use them as herbs to make tea for diarrhea and stuff). The tea usually tastes and smells pretty good (kind of ...
3
votes
1answer
436 views

Why do many of my parsley leaves have white tips?

I'm not sure if this is normal? Not every leaf has this but lots of them do
3
votes
1answer
318 views

Why did the leaves on my Plumeria alba develop black spots and fall off?

I got a small Plumeria alba tree in my office, right next to a very sunny window. At first it was growing brand new leaves and looked great. Over time the leaves got black dots and fell off and the ...
2
votes
2answers
139 views

Why do the tips of my lettuce leaves look dark/burnt and feel brittle?

I am growing Batavian 'Arianna' lettuce in a container on my balcony. I'm in San Francisco, so it gets some sun, but it's not all day, and it gets a lot of shade too. I noticed that the tips of some ...
4
votes
1answer
154 views

What's wrong with my dwarf cherry tree's leaves?

I'm starting to see holes and some black spots on some leaves. Anyone know what this is and how I can treat this?
6
votes
2answers
110 views

Can I still use the mint leaves after the plant has flowered?

I have been gone a few weeks. Now my mint has all flowered. Can I still use the leaves? I want to make a batch of mint jelly.
4
votes
1answer
469 views

Dry brown patches on cayenne chilli plant leaves, leaves starting to curl, tiny black spots

Note: I have posted a previous question regarding my chilli plants, its details may help in diagnosing this new issue. You can see it here: White, fur like strands and spots on underside of chilli ...
4
votes
1answer
503 views

White, fur like strands and spots on underside of chilli plant leaves

I am growing scotch bonnet, jalapeno and cayenne pepper plants indoors from seed. The scotch bonnet plants have what looks like white fur growing around the veins on the underside of their leaves. ...
7
votes
1answer
678 views

What is causing the leaves to develop brownish patches between the veins on my tomato plant?

My tomato plant's leaves are turning brown in some places (photo). Zoom in It seems to affect mostly older leaves, but not all of them, as you can see in the image. It starts with a few small brown ...
3
votes
1answer
159 views

What is eating my Sweet Pepper plant?

I have an outdoor container garden in Southern Illinois. The pepper plant is on a raised level, surrounded by untouched tomatoes, carrots, spinach, onions, and squash. I have never seen anything like ...
5
votes
1answer
156 views

What's affecting this tomato plant? [duplicate]

Can anyone tell what's wrong with this tomato plant? Is it disease or deficiency? My areas been having issues with late blight the last few years. One spot seems to have a concentric circle around it ...