14 votes
Accepted

Ants on trees - ok or bad?

The trees have probably got aphids. From the RHS website here: Ants may be found climbing plants with aphid colonies, they tend the aphids obtaining honeydew as a reward. The ants will remove aphid ...
Peter4075's user avatar
  • 3,922
14 votes

Ants on trees - ok or bad?

I agree with the other answers, you probably have an aphid infestation. But rather than spraying your trees to get rid of the aphids, you may try putting a ring of glue on your tree, to get rid of the ...
Garrluk's user avatar
  • 141
12 votes
Accepted

What is this plant with red-pink lines/veins on its big green rounded leaves?

This is the Prayer plant (Maranta leuconeura), named because the way the leaves fold up at night is reminiscent of hands held together in prayer. This particular plant is M. leuconeura var. ...
Niall C.'s user avatar
  • 7,199
10 votes

What plant is this and how should we take care of it?

First, let me assure you there is no need to apologise for 'your ignorance'; you're not the first to not know a plant name and you certainly won't be the last! That said, this is Schlumbergera ...
Bamboo's user avatar
  • 133k
10 votes
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What is this plant with green-pink leaves called?

You have a small Hypoestes phyllostachya, also known as polka dot plant. This native of Madagascar comes in different cultivars with green leaves dotted with a contrasting color. Yours is pink, there ...
Stephie's user avatar
  • 16.3k
9 votes
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What are these tall, tree-like shrubs and how often should I water them?

Judging by the new growth being red, I'd say these were Photinia fraserii 'Red Robin'. I can't tell if they're pleached or not, can't see any framework within the foliage, so its possible they're just ...
Bamboo's user avatar
  • 133k
9 votes
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Pest, etiolation, soil or overwatering? Other causes of pale-brown tips in Aloe Vera

Based on the plump, browning tips on the leaves, this initially appears to be classic aloe over-watering response. BUT, once every three weeks isn't necessarily an unreasonable watering schedule for ...
GardenerJ's user avatar
  • 5,889
9 votes
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My basil is "rotting", here's all the clues I have gathered

Looks like a heavy whitefly aphid infestation - they're usually underneath the leaves and suck the sap within, causing the leaf to shrivel and die. You can't treat with pesticide because it's an ...
Bamboo's user avatar
  • 133k
9 votes

Ants on trees - ok or bad?

The problem with not treating for aphids is it's likely to get worse, especially with ants warding off aphid predators. With large trees, it's obviously next to impossible to treat for aphids because ...
Bamboo's user avatar
  • 133k
9 votes
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What to do if too many seedlings are in the same pot?

You seem to have more than a hundred seedlings overall. Are you willing to grow every single one of them into adult plants? I'm assuming not. If that's the case, you'll be discarding them at a later ...
willyjoker's user avatar
8 votes
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Need help identifying this plant

This is Equisetum arvense, the field horsetail or common horsetail. It is a herbaceous perennial plant, native throughout the arctic and temperate regions of the northern hemisphere. ~Wikipedia ...
Brenn's user avatar
  • 3,046
7 votes
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How should I take care of a Hyacinth bulb growing in a vase of water?

On the assumption you mean indoors in the sun, it would be best if it wasn't in full, hot sun all day because it might affect the roots - the glass may magnify the sun's rays and cause burning, and ...
Bamboo's user avatar
  • 133k
7 votes

How often should I water an Amaryllis plant?

How much to water is a complex question where you have to evaluate how much light is present, the relative humidity and the water needs of the plant. Bulbs do not normally like wet feet. The ...
kevinskio's user avatar
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7 votes
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How can I save these etiolated aloe crowns with under watered stems?

Actually, I was in a similar situation a few weeks ago: A friend gave me an aloe crown that looked exactly like yours (i.e. slightly dry stem, no roots). What worked for me was to simply plant it into ...
anderas's user avatar
  • 558
7 votes
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Care for an indoor hyacinth after blooming

Couple of things - when you bought your hyacinth bulb, was it a prepared, pre treated one, sold specially for growing indoors? Or was it just an ordinary outdoor one? It's usual to buy a prepared one ...
Bamboo's user avatar
  • 133k
7 votes
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Growing hot peppers indoors on the West Coast

Read all you can about indoor growing & seek out varieties that are know to do well in containers. (Example 1: Datil Pepper) (Example 2: Pineapple Rocoto) (Example 3: Bhut Jolokia / Ghost) The ...
renesis's user avatar
  • 1,760
7 votes
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Orange spots on Polypodium

I can't get a close enough image to examine the spots thoroughly, but because they're evenly spaced, its most likely these are sporangia, or spore cases. It's a sign of a healthy plant and the spores ...
Bamboo's user avatar
  • 133k
7 votes
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Benefits of wiping the dust/dirt off the leaves?

Cleaning of plant leaves is usually only done on houseplants, because they're inclined to accumulate a lot of dust over time. Outdoors, exposed to the elements, plants get 'cleaned' by moving air (...
Bamboo's user avatar
  • 133k
7 votes

Can I leave a second, 2 spike phalaenopsis orchid attached to the parent plant for now?

Wow! Why do my orchids never do that? ;-) As you can read, I have no hands on experience with this, but I know this phenomenon. It is called a Keiki, a baby orchid. The baby is a clone of its mother. ...
benn's user avatar
  • 13.1k
7 votes
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This plant doesn’t want to stay alive

It's a Fittonia, common name Nerve plant. These can be difficult to keep healthy because they require high humidity, draught free conditions and steady, warm temperatures. They do not appreciate ...
Bamboo's user avatar
  • 133k
7 votes
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Does it make a pure utilitarian sense to have indoor plants for dark rooms solely for the purpose of purifying the air?

The air purifying meme is based on a study by Nasa in 1989 and has been enthusiastically promoted by anyone who likes or sells plants. Other studies have found that when you do not put the plants in ...
kevinskio's user avatar
  • 59.3k
7 votes

Help with dying plant

Your question has the essential clue: a hallway with no sunlight. If you look closely, you will see that the new leaves are significantly larger and lighter than the older ones, which the plant ...
Stephie's user avatar
  • 16.3k
6 votes

Dracaena Fragrans Grafting?

Yes, in good light the Mass Cane, or Dracaena massangea as it is also called propagates readily without grafting. If the stem has died you take a sharp knife or sequiteur and cut off the healthy ...
kevinskio's user avatar
  • 59.3k
6 votes
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Office plant identification and care

I hope it's still alive, It's definitely a fern, which usually grows beneath the canopy of trees where it's usually shaded and humid. Picture a walk through a misty forest, full of moss and ferns in ...
user14828's user avatar
6 votes

What's the best way to take care of my potted orchid?

Orchid need light. You should keep it in a well-lit place, but avoiding too much sunshine. Temperature should remain above 18°C. Orchid need to have breathing roots: you must make sure your pot allows ...
J. Chomel's user avatar
  • 3,740
6 votes
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Brown spots on my Fiddle Fig plant

Will my plant survive? Yes, but you may wish to consider cutting back the stem to a 6 or 12 inch length to encourage new growth. Should I cut the brown foliage off? Too early to say, this looks like ...
kevinskio's user avatar
  • 59.3k
6 votes

My aloe plants turned grey when I took it outside

Too much sun, no easy, slow transition from dim inside light to right out in the harsh sun - Aloes really hate that, IME. Put the poor things in the shade and give them time. Eventually they can be ...
Ecnerwal's user avatar
  • 23.6k
6 votes
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Quality of soil in plants sold in 6" pots sold at retail stores?

Not initially, no, it's not necessary, but within a short space of time during the growing season, you'll find they need bigger pots anyway as they grow because they'll need more root room, so do it ...
Bamboo's user avatar
  • 133k
6 votes
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How to care for a tree with a rotting crotch at ground level?

Your tree looks very healthy. The depression between the trunks looks amazingly clean and dry! Keep on doing what you are doing because it is working. I see that your neighbor to the west has an ...
stormy's user avatar
  • 40.3k
6 votes

My Areca Palm is dying

First thing to do is correct your watering regime - little and often is not a good idea, it's better to let the plant dry out slightly between waterings, and water thoroughly when you do water. If the ...
Bamboo's user avatar
  • 133k

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