Tagged Questions

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

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3
votes
2answers
66 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
27 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 ...
2
votes
1answer
40 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 ...
2
votes
2answers
29 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
39 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
144 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 ...
2
votes
2answers
80 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 ...
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. ...
6
votes
3answers
587 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 ...
4
votes
1answer
51 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 ...
3
votes
1answer
65 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 ...
3
votes
1answer
155 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
142 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
47 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
73 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
52 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
62 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 ...
6
votes
1answer
161 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
137 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 ...
2
votes
1answer
91 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 ...
3
votes
2answers
220 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
1answer
76 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
326 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
149 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 ...
3
votes
2answers
60 views

How to protect plants from freezing

Waking at 1 am, I get my shoes on to run out to my greenhouse. I've had a heck of a time getting my garden in this year. I've lost quite a few plants to 'pop' freezes and I'm probably getting ...
2
votes
1answer
123 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 ...
3
votes
1answer
155 views

Can I rejuvenate a very old lilac bush that has regrown from the base?

I have a very old (about 120-125 yrs. old) lilac bush. It was cut almost to the ground 20 years ago. I had been told that this was how to control giant lilacs. It had formerly been 18' high and 25' ...
2
votes
1answer
49 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 ...
3
votes
2answers
75 views

What's this hole in the Cabbage leaf?

What's this hole I just discovered in the leaf of this otherwise very healthy Cabbage? I've got yellow insect cards nearby, and beneficial nematodes in the soil, which have collectively done wonders ...
2
votes
1answer
217 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 ...
1
vote
1answer
63 views

Why are lots of bubbles coming out of a freshly cut lotus stem?

I cut some old lotus leafs, and there was one stem from which many bubbles got out. I started to worry when I realized that it had been minutes and minutes (I would say at least 10) since the bubbles ...
1
vote
1answer
45 views

Why is the lower leaf wilted on all of these plants? Should I remove them?

These basil plants have been thriving steadily better and better since being transplanted as sprouts. However every one of this group of 8 in the end of a planter is exhibiting a wilted leaf, and ...
2
votes
1answer
275 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 ...
6
votes
1answer
154 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 ...
6
votes
2answers
147 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 ...
1
vote
1answer
106 views

Dwarf Alberta Spruce Winter Burn [duplicate]

I have a Dwarf Alberta Spruce which is showing signs of worse-than-normal winter burn. Not only have the needles on the south side of the tree browned, but the new buds on that side also appear to ...
1
vote
3answers
102 views

Are these cobwebs harmful?

I have a new succulent that I'm taking care of, but over the past couple of weeks it has been picking up some fluff that looks a bit like mould but that I believe is cobwebs of tiny spiders. I've read ...
3
votes
1answer
38 views

Trouble with old ornamental orange tree

My 40-year-old orange tree, originally bought by my mother's friend at the local grocery store as a tiny house plant, has been looking very sad for a while. the main problem is that the leaves are ...
3
votes
1answer
65 views

Lucky Bamboo stem sags but seems healthy, how do I fix this?

I've had this Lucky Bamboo plant for almost 4 years. It has got two shoots coming out of the main stem, the longer of which is now unable to support itself. We had a very dry winter and I had a hard ...
3
votes
2answers
61 views

Dealing with mealy bug infestation on jades

I have a couple of jade and dwarf jades on my windowsill, and I think they've been infested with mealy bugs - I had an infestation about a year ago, on a different plant, and I think it spread to the ...
3
votes
1answer
95 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, ...
5
votes
1answer
260 views

Is this mint fungus, or over/under watering my plant?

I have two mint plants that have grown without much fanfare. Occasionally I do notice the odd leaf with very dark brown edges, almost black. Some leaves also appear to have a powdery white substance ...
3
votes
1answer
560 views

Why is my bonsai losing brown/yellow leaves and developing white dots

I was recently given this beautiful bonsai and I water until the soil is moist nearly every day. But recently it has started dropping leaves and these little white dots are appearing. Why is this ...
2
votes
1answer
60 views

The benefits of coir for pot plants?

I recently bought coir for my pot plants, after I saw many other pot plants (in the garden centre) containing a handful. I would like to know the benefits for pot plants if you add coir above the ...
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 ...
5
votes
1answer
271 views

Do porch lights affect how grass grows?

If I leave a light on at night, does this help or hurt the grass? No particular kind of grass, just grass. I'm using CFL light bulbs.
6
votes
1answer
87 views

Hard potatoes harvested

First time grower in Michigan, partial shade and probably not the best soil. The red potatoes I got out first were very hard. Why? What can I do to prevent this with the rest of them before they ...
2
votes
2answers
276 views

What is acid soil?

Everyone talks about acid soil, but what does it mean when someone says my soil is acid? How does soil get that way? Is it a good thing? Is it a bad thing?
1
vote
1answer
527 views

Does soap mixed with water kill plants?? [duplicate]

I'm doing a science fair project for 8th grade and I'm trying to decide my hypothesis but I'm oblivious .
7
votes
2answers
3k 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? ...