Tagged Questions

Member of the family Cactaceae. Desert succulents.

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2
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1answer
44 views

Are eastern prickly pear cacti pads edible?

Are eastern prickly pear (Opuntia humifusa) cacti pads as edible as the kind you find in the grocery store (Opuntia ficus-indica)? I know the fruit is edible, if everything across the Internet I've ...
2
votes
2answers
73 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 ...
5
votes
1answer
75 views

Why is my cactus droopy?

I have a cactus (pictured) which I bought about a month or so ago. It has been slowly drooping, although the tag said to keep it dry in winter and I have only watered it once when I re-potted it. The ...
4
votes
1answer
42 views

How does one go about growing a cactus in a terrarium?

I've been searching the web online, and the ideas are all conflicting. Some websites would say cacti are unable to grow in glass jars because the heat trapped will cook the cactus, and other websites ...
4
votes
1answer
65 views

What should I look for when selecting lights for indoor cacti?

We grow cacti indoors due to the weather (UK). What should we look for when selecting lights? We have had mixed results with a new lighting system and have started to lose some. See one of the old ...
5
votes
1answer
906 views

Why Hasn't my Cactus Grown Deadly Spines?

I recently purchased a small cactus plant from my local store for about $5. I've been giving the cactus lots of sunlight and a good watering every week. I've noticed that since I bought it, the ...
4
votes
1answer
54 views

What are these growths on my winter hardy Opuntia?

I received some winter hardy prickly pear pads from a friend last fall. They rooted well, survived the winter well (better than many other plants around here), and are putting out new growth. On the ...
2
votes
1answer
56 views

Why has my cactus yellowed and softened, and how can I help it live?

I had a cactus at work since the end of March. It is my first cactus and I don't really know if I was watering it correctly or if I missed something else, but now it's turned yellow and became softer. ...
1
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2answers
58 views

What purpose do joints serve on a dragon fruit (pitaya)?

I just bought a Pink Delight Dragon Fruit. I noticed that all of the cacti at the store had joints, dried flesh that tapers to small point. They seem like a weak point to me, a brittle point that can ...
4
votes
1answer
90 views

Why has my cactus has turned red/ beige at its base?

One of my cactus turned red at its base about a year ago and it has since spread upwards. Some websites say it is a natural ageing process but I doubt so because it is still so small! Now another of ...
1
vote
1answer
54 views

Why did our cactus die?

We had a cactus named eddy and he died, he had a stretched body with a sphere on top as a head and two little spheres attached to it like eyes. He looked like Echinocereus triglochidiatus but with ...
4
votes
1answer
89 views

identify the type of cactus

My friend showed me this picture of a cactus and we would like to buy one. The problem is we don't know the name. Does anybody recognize it? Does it produce flowers?
2
votes
1answer
71 views

Why doesn't my night-blooming Cereus produce flowers?

I have had a night-blooming Cereus for several years and it has yet to bloom. A friend has one and it blooms no problem. This plant is indoors and keeps growing, but no blooms. What can I do to make ...
0
votes
1answer
76 views

What type of gloves should be worn when dealing with cacti?

What type of gloves should be worn when dealing with cacti? Standard gardening gloves seem to offer little protection. Leather work gloves offer more protection, but end up attracting and collecting ...
0
votes
1answer
27 views

What tools are available to deal with fallen cacti and cactus pieces?

After pruning cacti, I am left with many fallen pieces on the ground which, depending on the cactus type, have varying degrees of difficulty in picking up and disposing of. Is there a standard tool ...
2
votes
1answer
349 views

Why are leaves falling off of my Prickly Pear cactus?

I just moved into a new home in Phoenix, AZ, and now have a lot of cacti to tend to. I do not know their care history, or how much/how often they are watered. One of the largest Prickly Pear cacti ...
2
votes
2answers
119 views

How do I treat the survived parts of a cactus after some of it has rotten to prevent the problem spreading?

I have a cactus consisting of three "cylinders" growing from the same center point. Recently one of the cylinders started rotting rapidly and I had to remove that part. While I was doing that the ...
2
votes
2answers
66 views

Are there cacti that don't rot when overwatered?

I've got yet another cactus rotten and this was most likely causes by overwatering. I'll try to rescue it but I'll likely need a new one anyway. Are there perhaps cacti that don't rot when ...
7
votes
2answers
165 views

cultivating a cactus from cutting

I've recently gotten a san pedro (Echinopsis pachanoi) cutting as a gift. I'm trying to take care of it as good as possible, but I'm not sure if I'm doing it the right way. The situation is: the ...
6
votes
1answer
877 views

Why is my cactus purple?

This has been going on for a while (about a year), one of my cacti has turned purple. I've just replanted it after its pot fell and broke (no, it did not spend the year on the ground). What is the ...
6
votes
1answer
530 views

What are these brown patches on my acanthocereus tetragonus (fairy castle cactus)?

I've had this pair of fairy castle cacti for several years now, and they've done fairly well. However, I noticed today that they have developed brown patches over most of their stems and a few areas ...
5
votes
1answer
155 views

How old do night flowering cereus get before they bloom?

I have a night flowering cereus that is about five years old. It is a foot tall and has a single stem. It is in a four inch square plastic pot. Is it going to flower anytime soon?
5
votes
1answer
200 views

Can any cacti be used as a scion on a non cactus succulent rootstock?

Anything in the cactus family can be grafted onto anything else in the cactus family, even jungle cacti to desert cacti. I've even grafted a Schlumbergera to a prickly pear. I would like to know, just ...
8
votes
3answers
227 views

How to manipulate a cactus with thick long spines?

I'm thinking of buying a cactus. Shops have a lot of those and one of the variables is the size and density of spines. Cacti with rare huge spines (something like 15 millimeters long and about 1 ...
8
votes
1answer
149 views

Does Rebutia grow better when grafted onto an Echinopsis?

I have tried growing rebutias before, and failed because the plants lacked vigor and grew slowly. Would they do better if I flat-grafted it onto a columnar Echinopsis, to increase vigor? Are there any ...
11
votes
3answers
326 views

What should I do if the soil shrinks and separates from the flowerpot walls?

Recently we relocated a cactus into a new flowerpot. When it was planted the soil would evenly occupy the flowerpot and adjoin the flowerpot side walls. The soil isn't cactus soil, but just regular ...
8
votes
2answers
216 views

What's a good water system for my cactus plant during holidays?

I have a very resilient cactus that can be left alone for a month without consequences. Now, I want to leave it alone during two months and leave it some water system. I have seen little earthen ...
10
votes
2answers
897 views

How should I repot these overgrown and delicate plants?

I've got several plants that are probably overdue to be repotted. One of them is a cactus with lots of new growth and sharp spines. And the other is a jade where many more of the cuttings survived ...
7
votes
1answer
312 views

Do opuntia (prickly pear) cacti readily form hybrids in the wild?

I suspect the answer is yes, because they are the most diverse group of cacti. The reason I ask is that we actually have four varieties/species and I'm having a lot of trouble identifying them! The ...
8
votes
1answer
828 views

What is this white growth on my cactus?

I have several cacti growing in my yard and one (t. pachanoi, if it matters) has developed a white layer across the top of the plant. It is very fine and looks almost sandy, like perhaps a mould or ...