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9 votes
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Why is my cactus droopy?

Check the stems. Are they just limp, or are they decaying at the base? And check the soil. Is it dry all the way through? What I suspect to be the case is: Cacti need water too, just not as much. If ...
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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 ...
7 votes

Why are these succulent leaves withering instead of rooting?

In the case of the aloe (plant on the right) it's because trying to root aloe from cuttings is different from most and might involve a little luck. Most places I've read say that it just won't root ...
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7 votes
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Cactus with a growth

When you first got this cactus, with its red ball like growth on top, it would have been named Gymnocalycium mihanovichii friedrichii (common name Hibotan or Red Cap cactus), but really, that name ...
  • 130k
7 votes
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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 ...
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7 votes
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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 ...
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6 votes
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Are eastern prickly pear cacti pads edible?

Opuntia humifusa pads are edible. Here are a few of the pages that name O. humfusa as edible: ozarkedgewildflowers.com chicagonow.com www.ebay.com (um) everwilde.com learn2grow.com And the ...
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6 votes
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Can we root prickly pear pads that are sold in grocery stores as a vegetable?

Yes, they will root if you put them into a very sandy, free-draining mix kept slightly damp at all times, preferably with bottom heat, but if that's not possible, keep it in a warm, bright place. ...
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6 votes
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How to fix a broken cactus

You can graft it back. If the wound has already dried, use a very sharp knife, as in a proper sharpened and honed chef's knife, and slice off a pickle slice off the top piece and bottom piece. Wrap ...
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6 votes
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What is this cactus with paper-looking spindles sticking out all around?

I agree that this intriguing plant appears to be a Tephrocactus Articulatus, var. Papyracanthus, commonly known as the Paper Spine Cactus. According to Cacti-guide: It's a small genus in the ...
6 votes

How to save this blue cactus?

I actually saw some of these in walmart, just the other day. They kept them with the Living Trends succulents and cacti. The blue color is just paint or dye. They had the same type of cactus painted ...
  • 5,052
6 votes
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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 ...
  • 130k
6 votes

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 ...
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6 votes
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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, ...
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5 votes
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Will prickly pear thrive under the eaves on the west side of my house?

Off the top of my head, I'd say Portland is too wet. PP is native to areas that get under 15" precip per year. That said: The spot you describe sounds ideal for them. Two possible problems: Cacti ...
5 votes
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What is this white crust forming on my cactus during the growing months?

What you're seeing there is quite normal callous formation - it's a bit like a scab when you've cut yourself. The cause of the corky callous layers is damage - either from insects, or sudden chilling, ...
  • 130k
5 votes
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How should I cut a long, curvy cactus?

Very much so. I have done similar cuts many times on cacti and succulents. If you cleanly cut off the top 6 inches or so and pot it up it should root quite easily. And then remove all but the bottom 6 ...
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5 votes
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What is this plant with long narrow triangle leaves and prickles?

That is indeed a member of the aloe family. As others have said, there are hundreds of types. A good list is provided here. I don't know enough to narrow it down. A Google search brings up pictures ...
5 votes

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 ...
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5 votes
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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 ...
5 votes
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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!
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5 votes

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 ...
  • 130k
5 votes

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 ...
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5 votes

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/...
  • 130k
5 votes
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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 ...
  • 130k
5 votes
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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 ...
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5 votes
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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 ...
  • 130k
5 votes
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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....
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5 votes

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 ...
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