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

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2
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0answers
25 views

What is causing brown spots on my mint plant?

I have been rooting my mint in water and it rooted, then I found those brown spots appearing. It happened with all the mint plants I had before. I am in Egypt, and it gets morning sun and no afternoon ...
0
votes
0answers
29 views

Life-support for plants: How can I re-grow my plants from half-dry stems

So, I got a couple of roses, ivy, holly, jasmine, porthos and gardenia plants back in December, but now they all seem to be near-death. I have tried several times to resurrect some of my plants using ...
4
votes
1answer
38 views

Will my avocado plant grow after the top has broken off?

I tried to root an avocado pit in water with toothpicks as suggested, but gave up after leaving it for quite a long time. Finally I just stuck the pit in dirt and watered it. Six months later a tall ...
4
votes
2answers
87 views

How can I help a rhododendron with yellowing leaves and a dead section?

I have a rhododendron which was healthy last year, and produced gorgeous white flowers. Today I noticed that many of the leaves are turning yellow, and a section appears to have died. ...
7
votes
1answer
292 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
38 views

Can you grow Baby's Breath very close to each other?

I was sprinkling some Baby's Breath (Gypsophila elegans) seeds on a planter and I was wondering if it's possible to grow all of them together even though they're very close instead of having to play a ...
2
votes
1answer
53 views

Why would my basil leaves have a sharp, unpleasant smell?

I have a basil plant that's getting plenty of sunshine (it's around 29 °C today, with clear skies). It's in a big pot, not shaded, and the soil is damp. We had a lot of rain a few days ago, and ...
1
vote
1answer
50 views

How can I revive a wilted Mexican feather grass?

I bought a Mexican feather grass from the clearance section so I know it's been taken care of, it's just a little droopy so it was heavily discounted. Since I thought I'd like it, I'd love to be able ...
9
votes
3answers
303 views

How long do amaryllis bulbs live?

I've had an amaryllis bulb in a pot for about 5 years now and the bulb hasn't been doing much for, I reckon, over 6 months. When should I consider getting rid of it? Could it have run its course?
3
votes
2answers
61 views

Does this orchid have a viable stem? If not, will it grow one if transplanted to a larger pot?

I received a Phalaenopsis Orchid as a Valentine's Day present. It was in a glass vase, and atop the straight stem, which was held to a support stick by a hair clip, were two lovely pink flowers. It ...
3
votes
2answers
31 views

Why did these plants dry/burn?

I bought a small venus fly trap kit to sow. Three of them sprouted and they were growing well. I had placed them at a south facing window, watering them every few days. I found them like this a few ...
4
votes
1answer
69 views

Is there a way to straighten an older tree that started crooked?

I have a pecan tree that is about 6 years old that is growing about 5 degrees off vertical. I've tried to stake it several times but to little effect. Currently I have a ratchet strap trying to pull ...
5
votes
1answer
118 views

Rue with white dots and some 3mm white bugs

I have a Rue plant in my terrace, and for many weeks it has had some sort of plague made of white dots and some slightly bigger bugs, oval shape, no more than 3mm long. I've been using an organic ...
5
votes
1answer
66 views

Can I eat carrots with wormholes in them?

I started cleaning up and cutting two big carrots to make a soup when I realized worms had dug galleries in them. Is it safe to eat them even if I clean them? So far I have not found any worms but can ...
2
votes
1answer
111 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 ...
6
votes
1answer
74 views

Could a spider be causing my orchids and cactus to die?

I had several small plants in the office (two orchids and a small cactus) that died. In a short time they began to dry. Now a third orchid is beginning with similar symptoms and I wanted to ask what ...
4
votes
2answers
55 views

How can I save my Venus Fly Trap after being watered with tap water?

My coworkers used normal tap water to water my Venus Fly Trap. How can I save it?
9
votes
2answers
3k views

How does pH affect plant growth?

I am aware that different plants thrive/need different pH levels to grow. What is it about the alkalinity/acidity of the soil that effects how a plant grows? Note: I understand that this could have ...
2
votes
1answer
442 views

Why are the leaves turning yellow on these conifers?

I have two kinds of conifers in the front yard. They are in a spot with eastern exposure, but the sunlight is somewhat blocked by a big house on the south side of the yard. They get a lot of shade in ...
2
votes
1answer
183 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. ...
1
vote
0answers
22 views

Curious to know why over-watering leads to root-rot yet the same plant can be grown in water? [duplicate]

I bought a few pothos plants from home depot last summer, and from my investigation, it seemed they all died from root rot. I tried every thing I could to save them but they just would not stop. But ...
3
votes
2answers
57 views

How should I deal with carpenter ant damage on my old almond tree?

I have an almond tree on a house I purchased. The tree looks very old and the large bulk of it didn't have much green - looked very dead. It was growing sideways and near the base of the tree some new ...
8
votes
1answer
2k views

Can an aloe plant that's completely rotten at the base be cured?

I had a potted aloe plant that looked like a set of leaves coming out of a single spot at ground level. One day it just fell apart - the leaves and the roots got completely rotten at ground level and ...
3
votes
2answers
105 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
64 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 ...
1
vote
1answer
46 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
74 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
99 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
48 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
69 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
80 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
36 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 ...
2
votes
1answer
115 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
68 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 ...
7
votes
2answers
7k 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
96 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
40 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
326 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
230 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
50 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
47 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
168 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 ...
3
votes
2answers
122 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
621 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
40 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
60 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 ...
10
votes
2answers
793 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
9k 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 ...