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

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3
votes
2answers
68 views

What is wrong with this Fargesia?

Looks like some kind of leaf miner, but I've never seen it before. What is it, and is there an "organic" way to treat it?
3
votes
1answer
52 views

What is the name of this plant, is it edible, and how can I care for it?

I took a little bunch, but it in water and planted it when I saw the roots. the original plant was low, close to the floor. I kind of like it going up. This plant smells really nice. It's super ...
-2
votes
0answers
40 views

What plant is this? Any care recommendations [closed]

I have grown these stems from cuttings I took from a friends plant, she has no idea what plant it is. I keep it in a window like she does and water it on a similar schedule but mine seems much more ...
1
vote
1answer
26 views

Should I remove rhododendron buds which didn't open before the winter?

I live in Massachusetts and have ten large rhododendrons which bloomed profusely last spring. In September, numerous buds appeared on each bush, but the winter came before they had a chance to open. I ...
0
votes
1answer
40 views

How useful/reliable is the Parrot Flower Power? [closed]

Has anyone used a Parrot Power wireless plant monitor, is it worth the money or is it just a gimmick or fad that I should let pass? Are there any other products similar to this type of Internet of ...
3
votes
3answers
1k 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! > ...
3
votes
1answer
52 views

Is it really that important to prune deadwood from trees? If so, why?

It seems like every time we bring arborists onto a property, the first thing they want to do is to remove all the deadwood from the tree canopies. What are the reasons for doing this, and is it really ...
4
votes
2answers
40 views

Why aren't my new echinaceas true perennials?

The purple coneflower (Echinacea purpurea) is one of my favorite flowers; it's easy to grow, cheap, spreads quickly (giving me lots of new plants to spread around) and looks good over a long season (I ...
4
votes
1answer
33 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 ...
2
votes
2answers
54 views

Why are the leaves of my rubber plants getting wavy?

I just got a young rubber plant (I think thats what it is). After the second watering I realized the plants leaves were getting wavy or ridged. If it matters, I waited till the mix was dry before ...
1
vote
1answer
33 views

What's the best thing to do for a neglected agave?

Plant: Agave victoriae-reginae Background: This plant has had a hard life. I bought it at a local greenhouse in '11, and kept it properly all year, on a stump on the hill, with other plants in a ...
1
vote
1answer
55 views

What's Wrong with this Orchid?

I had previously asked a question about my Orchids (How Should I Take Care of These Two Phalaenopsis Orchids with Different Behaviors?) and I've read the other questions on the website, however I ...
2
votes
1answer
43 views

Why could this Elephant's Ear be turning yellow?

I have a pretty large elephant's ear, that @Stephie helped me identify some weeks ago in this question. As you can see in one of the pictures there, one of the leaves is already not looking very ...
2
votes
1answer
58 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 deada 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 ...
7
votes
2answers
4k views

Should I use aluminum sulfate (sulphate) to acidify my soil?

It is often recommended online or by nurseries to apply aluminum sulfate to plants like blueberries, rhododendrons, azaleas and to hydrangeas to make the flowers blue. Is this advice I should follow? ...
3
votes
2answers
81 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 ...
3
votes
1answer
33 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 ...
6
votes
1answer
181 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 ...
3
votes
2answers
222 views

What is this houseplant, and what can I do to keep it from going downhill?

Looking for help with this plant we recently got. Not much of a plant person, but struggling with this one in particular. Don't know what it is..but I think it's slowly going. I think the soil is ...
2
votes
2answers
34 views

How should I care for a sunburned coffee plant?

We have a coffee plant which lives indoors. Our house is reasonably dark so every now and then we take it outside when the sun isn't very bright. A week or so ago, the sun suddenly came out while we ...
3
votes
1answer
43 views

Pumpkins survive and continue to produce but fruit went rotten after some development

I seeded some "atlantic giant" pumpkins in april, in a big lawn at full sun for all day long. They started to grow and to flower, and after some time they started to produce some pumpkins. They grew ...
3
votes
1answer
147 views

Is it important to deal with gall wasps on oak trees? If so, what is the best method?

Gall wasps are a common problem here on the east end of Long Island. Oaks are a dominant species around here, and many clients rely on them for shade around their houses and yards. What should be done ...
9
votes
1answer
2k 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 ...
2
votes
2answers
100 views

Why did the leaves on my Christmas cactus suddenly change texture and colour?

I've been growing a cloned Christmas Cactus now for a few months, and it has been doing quite well. I moved to university 4 days ago (from Swindon, England to Bristol, England) and today I notice that ...
6
votes
3answers
601 views

Do pine beetles kill healthy pitch pines, or is it safe to plant seedlings to replace trees killed by them?

We need to remove a number of trees that have been killed by some kind of pine beetle - presumably black turpentine beetle - on eastern Long Island. These trees had suffered injury from salt spray ...
2
votes
1answer
37 views

What could be keeping Crepe Myrtles from flowering?

3 mature (8-10') Crepe Myrtles (var. Raspberry Sundae) were installed approximately 4 years ago on a property on the south fork of Long Island. They seem to be thriving, and grow well each year. ...
4
votes
1answer
55 views

Should my plant be shedding leaves when it's flowering?

I have this plant at my new place which I assume is a Cissus of some type from googling. I noticed some of the leaves started yellowing and falling off when the flower buds started appearing. Is ...
9
votes
2answers
602 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 ...
13
votes
4answers
8k 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 ...
3
votes
1answer
75 views

How should I control the growth of my umbrella grass?

I have a few clumps of umbrella grass that are getting very overgrown. They are planted at the edge of my court yard (pictures below). I live in Houston TX. This is my first house and I inherited a ...
8
votes
2answers
921 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.
10
votes
6answers
3k views

Why do my newly planted arborvitae keep dying?

I planted arborvitae a year ago that died (five total). I replanted all of them (new trees) this year and three of them are now dying again. Soil Conditions The dirt up here is practically just ...
3
votes
1answer
161 views

How should I care for a new Mimosa tree growing out of an old Mimosa stump?

We lost an old Mimosa to borers and it fell over in a wind storm. This spring it started a new growth out of the cut stump.It looks healthy but is growing RAPIDLY and it does not have much space. We ...
4
votes
2answers
145 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 ...
3
votes
1answer
53 views

How to secure my orange tree

As you can see in the picture, my Orange tree is developing plenty of beautiful looking oranges. Now, I'd really like to enjoy these oranges as soon as they ripe, so I have a few questions: ...
3
votes
1answer
75 views

Redwood planter - Should I treat it and how?

I just built a nice planter in my garden, and would like to plant some flowers and edible vegetables (i.e. corn, tomatoes and more). Should I treat the wood and how? Let me add a few details: ...
5
votes
1answer
56 views

Should I still continue to plant a potato that turned green?

When potatoes are exposed to the sun they turn green and become toxic. I wanted to try to chit a potato tuber but I'm scared that when it turns green I will end up harvesting green tubers as well.
2
votes
1answer
63 views

What is causing curling leaves on my potted Rosy Glow barberry bushes?

I have a few Rosy Glow Barberries that I bought when they were little. I live in a very hot and humid area, so I put them under 60% shade cloth. Well, they turned green, so that told me that they ...
2
votes
1answer
131 views

Is my newly planted weeping willow in shock?

This spring, I planted a weeping willow tree (salix x) in my yard, in an attempt to help dry things out. I'd heard they love wet conditions, and can grow up to 8' a year. Well, it has been almost two ...
6
votes
2answers
164 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
182 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 ...
5
votes
1answer
143 views

How can I repair an apple espalier that broke off above the first lateral tier?

I have a Fiesta apple tree being trained as an espalier. I snapped the main stem, all growth in fact, above the first tier. The young tree is effectively now a T, a step-over. Will it form new shoots ...
9
votes
1answer
1k 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
3answers
3k views

Can portulacas be overwintered indoors?

My portulaca is growing a clump of short stems at the base of the plant like a sedum. The sedums use this to grow the next years growth. Could I dig my portulaca up and overwinter it indoors? Update: ...
3
votes
2answers
333 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 ...
2
votes
1answer
92 views

Will planting Pachysandra terminalis affect existing shrubs?

I'm considering planting Pachysandra terminalis around the base of a few shrub/tree stands, but am concerned it may negatively effect the growth of the existing trees/shrubs. The first area is ...
6
votes
1answer
86 views

How can I prevent my banana tree from drying out?

We live in Lahore , Pakistan where temperature in summers reach 45 degrees Centigrade. Our banana tree is drying out in the sun. What is the best way to ensure that it remains healthy? This banana ...
5
votes
1answer
332 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 ...
5
votes
2answers
158 views

What insects killed this red cabbage?

Watering the lettuces, I spotted a Red Cabbage head leaning sideways on the ground. On close inspection, here's what I saw: Three little worm-like bugs having a feast of the bottom of the stalk of ...
4
votes
1answer
204 views

How long do Nepenthes leaves last without traps

My nepenthes ventricosa x mira has lost two of the four traps it had when it shipped in but the leaves are still living, kinda growing, and are healthy. But I am wondering how long will they last. ...