9
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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 ...
- 321
7
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Rats like to eat cactus?
Rodents do eat Opuntia (also known as prickly pear) varieties - not necessarily rats, but other rodents too. You've not said what variety of cactus, but if it is one of the Opuntias, then likely the ...
- 135k
7
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Are these 'fluffy' cacti healthy?
These cacti seem very happy to me, they even started to get a baby! Wow! I am not sure how much light they get there on the dinner table, but many cacti are fine in the shade.
Cacti in general are ...
- 13.2k
6
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What is this flowering succulent?
It's an orchid cactus, Epiphyllum oxypetallum, also known as Night Blooming cactus - can be grown in a trailing fashion if given plenty of sun and little water, as a more upright plant given shade and ...
- 135k
6
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How long can an Opuntia (prickly pear cactus) live?
I don't know about centuries, but some species live a long time. The large species like Opuntia ficus indica develop woody stems and grow in a tree-like fashion. There are several other South American ...
- 3,268
6
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What species cactus is this?
I think that's a Euphorbia, not a cactus. Similar to E. grandicornis. The tell is that the thorns aren't coming from an areole, they're growing from the edge of the plant.
All cactus are succulents, ...
- 3,268
5
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How to grow a new Opuntia (prickly pear) from a cutting?
I've propagated a lot of prickly pear. They root easily and grow roots faster than most cactus. You could just stick it in soil a few days after cutting, forget about it, and it will most likely ...
- 290
5
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How to grow a new Opuntia (prickly pear) from a cutting?
I've never bothered with drying them. I just plonk them vertically in some sandy soil - I may need to prop them up at first until roots grow. Then they will grow. It might take a while - cacti are ...
- 20.5k
5
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What's happening to my cactus? Why is the base of the cactus drying?
I think this is Turbinicarpus horripilus, see here http://www.cactus-art.biz/schede/TURBINICARPUS/Turbinicarpus_horripilus/Turbinicarpus_horripilus/Turbinicarpus_horripilus.htm
I can see the whitened ...
- 135k
5
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What are these potted plants with thin stems and leaves that look like sticks?
Try this one; drunkard cactus, little bottles
Let's see if this name works for this plant. I like the drunkard part because it looks like lots of little bottles...grins!
- 40.5k
5
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What are these white/yellowish spots on my mexican fence post cactus?
How sure are you, that this is a fungus?
To me, it looks suspiciously like scale, although the photos are a bit blurry.
Try to pry off one of the bigger thingies. If my suspicion is correct, you'll ...
- 16.9k
5
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What is this columnar cactus?
It's a Cleistocactus variety, just not sure which, maybe C. smaragdiflorus, though the flowers on that one usually have a greenish tip, see here http://zipcodezoo.com/index.php/...
- 135k
5
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Why is my cactus so thin?
I think it might be Pachycereus pecten-aboriginum - not 100% whether its that or Stenocereus fimbriatus, but either way, that diseased part needs to go. It likely is attached below soil level to the ...
- 135k
5
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Can I plant succulents and cactus in the same pot?
All of these succulents are from a similar environment in Southern Africa. If you put them in a nice big/long pot and don't over water, they should co-exist. You can mix diverse species using some ...
- 1,450
5
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Orange and White thing in my new house plant soil
Well it looks like a fruiting body from a fungus, but not one I recognise. First, let's just clarify, when you water a houseplant, you should always empty out the tray beneath after 30 minutes, so ...
- 135k
5
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Is my cactus infested with mealy bugs?
The white tufts around the cactus's needles are typical, especially because you said its been there for over 5 years. Mealy bugs congragate usually groups and don't evenly spaced on a plant's surface....
- 1,450
5
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Are these 'fluffy' cacti healthy?
This looks more like a Cleistocactus to me, a South American species. They look well grown; stems are fairly even width, no etiolation and fibers/spines getting longer. Vigorous spine/fiber growth ...
- 3,268
5
votes
Cactus with brown and white spots. What is the problem?
It either had rot or is still actively rotting from the inside out. My guess is too rich of soil and too much water. It happens....
Cactus exposed to cold would more likely be marked on the top over ...
- 3,268
5
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Big cactus identification and how long does it take?
The two plants on the left are either Carnegiea gigantea or Saguaro or Pachycereus pringlei or Mexican/Sonoran Saguaro. They look very similar at this stage.
They look to be 10-15 years old. My ...
- 3,268
5
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When and how to repot this cactus?
Cacti with long and relatively fat spines are not the worst to handle. You may get a few pricks, but they soon heal. Cacti with lots of very thin "hairs" (e.g. many Opuntias) are much worse, because ...
- 11.5k
4
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Rats like to eat cactus?
Yes, many animals including: Rodents, Rabbits, Cows, Deer and Javelina eat cactus.
- 141
4
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Centering Opuntia Cactus
I think, from the sound of your request, that you'd be happier with a centered plant. Centering, however, will not prevent the plant from tilting and perhaps even falling from weight as it grows (a ...
- 3,066
4
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Centering Opuntia Cactus
Lots of plants, especially cactus, grow to maximize light exposure.
I would leave it as it and change the pot orientation, maybe turn it 180°. It should help the existing part grow toward the center ...
- 3,760
4
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Strange buds/growths on my cactus
I think it might be Mammalaria karwinskiana, image showing flowers here http://www.cactiguide.com/graphics/m_karwinskiana_f_600.jpg
Its quite a variable one, so although the image included shows the ...
- 135k
4
votes
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The age of an Opuntia (prickly pear cactus)
Your question on how to estimate the age of Opuntia cactus was quite intriguing to me, after some weekend research the following study seemed most appropriate:
Growth Rate and Life Span of a Prickly ...
- 1,450
4
votes
Is this a typical growth habit for a cactus?
It's an Echinocactus grusonii, that has been standing in the wrong place for maybe two years, thus the elongated growth in the middle. Typically too dark or to warm in winter. Then it has been moved ...
- 186
4
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Opuntia Cactus: To cut or not to cut?
I would not recommend planting Opuntia cuttings more than one segment tall. My experience has been that it slows the rooting process and the plant appears to sit dormant for some time.
Ideally, cut ...
- 3,268
4
votes
Prickly Pear Cactus is growing what looks like rot (need help)
Looks like a longstanding and heavy scale infestation, evidenced by the fact that some of the deposits have actually gone black, which only happens after a goodly time. Opuntia is prone to infection ...
- 135k
4
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Identify this dead cactus - like a cleistocactus strausii, but super-dwarf?
Mammillaria elongata, your first guess was spot on! Other than being dead, it looks ok...
- 3,268
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