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Member of the family Cactaceae. Desert succulents.

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1answer
26 views

Ants visiting Opuntia

My (elderly) Opuntia gets regular visits from a few ants, which apparently like to draw liquid where its cactus spines emerge. For this relationship between species, do we know whether it is a ...
1
vote
1answer
51 views

Small cactus from garden center identification

I bought a small cactus from the garden center, but it doesn't say which species it is. Can anyone identify this cactus? For reference I put it next to a coin of about 3 cm (1.2 inch) in diameter. ...
3
votes
1answer
45 views

Agave is sweating

It looks as if my agave is "sweating" a crystalline substance. The droplets are approx. 2 mm in diameter and twice as long. Is this as it should be (also the surrounding yellowish patch in the ...
2
votes
2answers
39 views

Various Questions About Fairy Castle Cactus

I have a few questions about my Fairy Castle Cactus. It’s barely grown since I bought it, in contrast to my other plants. I’ve read conflicting info about the amount of light it likes. I’m using the ...
3
votes
0answers
44 views

Dark spots on cactus?

My elderly relative has asked me to do a research on her cactus which has recently got these dark spots: I poked them and they are dry and hard when you touch them. There is no liquid or mush. They ...
2
votes
1answer
63 views

Watering huge cactus

In the question big-cactus-identification-and-how-long-does-it-take b.nota gives us a nice photo of big cactus. The second thing that struck me was how the soil level is about 0.00000001 inches from ...
4
votes
1answer
93 views

Big cactus identification and how long does it take?

I found these huge cacti in a garden-center, the two on the right. The largest in the back was over 1.5 m in length! They were a little bit too expensive, so I thought maybe start from seed... What ...
2
votes
1answer
34 views

Cactus is becoming brown from the bottom

I bought this cactus recently from farmer's market and it is becoming brown from the bottom. I have stopped watering it but is there anything else I can do to save it. It is kept outside in spot that ...
5
votes
2answers
104 views

Can I heal a 4 foot tall cactus after two arms were cut off?

A thief in the night cleanly amputated two arms off my 4 ft (1.2 m) tall cactus. What do I do?
2
votes
1answer
57 views

What's wrong with this cactus?

I have this cactus that is slightly wrinkly and soft at the bottom part. It sits on a window sill with all my other plants and receives around 5-7 hrs of direct sunlight every day. I water it once a ...
2
votes
1answer
46 views

Succulent turning yellow

My plant is suddenly turning yellow and I don't know what it wrong with it or if it is normal. I have it for about 4 month and this happened only this week. I don't know if it's related, but it has ...
3
votes
1answer
33 views

Cactus in hydroponics: Keep water levels up at all times?

I've read a bit online about growing cacti in hydroponics, and basically every site I found agrees that it's possible, and it should basically work like any other hydroponics: Set the plant (in an ...
2
votes
1answer
15 views

Pilosocereus cacti, growed from seeds and a lot of mistakes

I made a terrible (i hope not that terrible) mistake when growing Pilosocereus pachycladus cacti from seed, i sowed them back in November. I know it's probably not the best idea to sow them right ...
2
votes
1answer
50 views

Please help to identify a cactus

I tried to identify this cactus in order to know how much water it needs. The closest I got with the identification is this, but I'm still not sure, the color is different: http://www.cactus-art.biz/...
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vote
1answer
34 views

Is my cactus okey?

This is my first time posting thing here n honestly the only reason I'm signing up on this website is to find out on what the hek is wrong with my cactus. So please??? I had been searching on Google ...
2
votes
2answers
65 views

Is this a aloe vera plant?

So I had this plant for around 1 year and lastly I was wondering if this is a Aloe vera plant? Kind of looks like it but I'm still unsure. If it's not that what is it?
5
votes
2answers
132 views

Is this white cottony stuff on my cactus normal?

This cactus was taken from my dad’s cactus garden before it was destroyed. It is very important that I keep it alive. I’m wondering if all this white cottony stuff on the top and the spikes is normal. ...
1
vote
1answer
35 views

Cacti red/white discoloration

I’m growing these cacti for about 9months i just changed their soil and pot, while i was picking up the little babies is realised that some of them changed color to red (meaning too much sun i guess) ...
4
votes
1answer
114 views

Is my cactus dying?

I bought my cactus about one year ago. I was surprised that it grew very fast and I thought it's fine. But it looked too skinny and after some search on the internet I found out it didn't get enough ...
6
votes
1answer
206 views

Problems with fairy castles cactus

My beloved fairy castles cactus has been suffering for a while and I was wondering what could be happening now. It looks like having several different problems... specially worried as it looks ...
3
votes
2answers
124 views

Cactus with a white “growth”

(There are a few other questions which may be related but I am not sure if this is a duplicate. (What is this white crust forming on my cactus during the growing months? , What is this white growth on ...
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vote
2answers
49 views

What's this cactus with tongue like leaves?

Saw this cactus while I was walking along the road in Whangarei which has a subtropical climate. It is growing over the fence into public air space so it would be legal for to take a cutting. And I ...
3
votes
2answers
233 views

Cactus turning white/brown/yellow

I believe this cactus is a cereus jamacaru but I am not 100% sure. I had it in relatively low light room but across from a south facing window in the sunniest spot of the room. I watered it once ...
4
votes
1answer
513 views

White and brown spots on cacti

I've been away for the last two and a half weeks, and upon return I noticed a few of my cacti had developed white fuzzy spots, which were not there before. In the worst instance, one cactus appears ...
4
votes
2answers
48 views

Help identify an insect on a cactus

I found this insect on my Echinopsis sp. It sort of looks like a tick, but what would a tick be doing on a cactus? What is it, and is it harmful?
3
votes
1answer
242 views

Cactus with brown and white spots. What is the problem?

My cactus has had this brown spot on its side for a couple weeks now and I don’t know how to fix it. I think it happened when I was away for a month and forgot to have someone care for it. The house ...
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votes
0answers
118 views

What is wrong with my cactus? (Red spots)

Is it dying? There are these weird red marks, is this a fungal infection or sunburn?
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votes
3answers
64 views

When is the winter period for plants kept in a country with no winter (or a constant room temperature)?

Reading up on how to care for a Mammillaria Elongata Cactus I see it mentions such things as suspending watering in winter for best care (and to encourage better flowering) the preferred time to re-...
8
votes
1answer
181 views

Help is my cactus is dying, can it be saved

I recently bought a golden barrel cactus (about two months ago), judging by its size I would say the plant is about a year old. Everything has been perfect with it until Saturday. I usually water or ...
4
votes
2answers
283 views

Delosperma (Ice Plant) indoors during winter

I live in Canada and it will soon be time for me to bring in my succulents and cacti. Last year I brought in two Delosperma plants and within less then a month they both died. they were both very ...
3
votes
1answer
79 views

What species cactus is this?

I have taken a cutting from a large cactus, and it seems to propagate well. I was wondering what species it is? Does anyone know? Thank you in advance.
4
votes
1answer
52 views

Identify this dead cactus - like a cleistocactus strausii, but super-dwarf?

Can anybody identify this cactus? It appears to me to be something between mammillaria elongata and cleistocactus strausii - but small, each column at most a long finger, and narrower. It died some ...
6
votes
4answers
211 views

Identity and give care instructions for mammillaria cactus

Hi, I think I just bought a mammillaria cactus. What is the subspecies and how do I care for it best? What colour flowers to expect? What should I do with the fruits sticking out (propagation ...
7
votes
2answers
990 views

Are these 'fluffy' cacti healthy?

My wife and I have had these cacti for a little over a year now. Since change happens slowly I assume we never really noticed, but now it seems like it has gotten a lot more..fluffy.. for lack of a ...
7
votes
4answers
587 views

Succulent Disease Identification (kalanchoe beharensis)

Album of pictures Another album of updated pictures One leaf before being "washed" with a mild soap/water mixture Another leaf after being "washed" with a mild soap/water mixture I purchased this ...
4
votes
3answers
228 views

Prickly Pear Cactus is growing what looks like rot (need help)

Prickly Pear Cactus is growing what looks like rot (shown in the attached pictures) where it's getting a yellowish color in the place these things appear. Is this normal? Is it dangerous? What is ...
4
votes
2answers
605 views

How long can an Opuntia (prickly pear cactus) live?

Thanks to another question, we know that Opuntia can live for decades. Can they live for centuries? Rather than determining the age of a specimen, answering this positively might mean identifying one ...
4
votes
0answers
356 views

Can my lemons grow in cactus soil mix

I bought cactus soil mix the other day from Calloway's for some plants. I then decided to grow lemons. So I did the whole deal. 2 weeks later I have lemon sprouts. I was wondering if I could use ...
4
votes
2answers
278 views

What is the bright green spike on the cactus?

What is this bright green spike on my cactus?
3
votes
2answers
162 views

Opuntia Cactus: To cut or not to cut?

This is related to one of my old questions here: Centering Opuntia Cactus Now, my opuntia has grown much bigger as can be seen in the picture below. The base is still very narrow and the plant tends ...
3
votes
2answers
408 views

Cactus growing white hard coating

One of my cactuses has been gradually growing a white coating, and the lower outgrowths seem to be shrivelling up and fading, I first noticed this about a year ago and it hasn't stopped no matter what ...
4
votes
2answers
858 views

Germinating succulent seeds

First a little background, I live in Sri Lanka where the temperature is at about 30c throughout the year. The sun is also very strong for the entire year and yeah we don't have different seasons here....
3
votes
0answers
133 views

Need help saving my broken cactus

My cactus has recently broken but it is still connected on one side. I don't know what to do. Can he be saved or is he going to be lost?
3
votes
1answer
33 views

Can I make my own potting soil with what I have?

I have miracle grow gardening soil as well as Hoffman and Espoma cactus mixes. Can I mix these two (part cactus mix part gardening mix) together for potting geraniums and lobelia? I'm out of general ...
3
votes
3answers
694 views

Why is my cactus getting long spindly arms

We've had this cactus along with 4 others for nearly 2 years and it's been transplanted to cactus soil and watered and kept in a warm sunny spot and now it's drooping badly. Has anybody got any advice ...
3
votes
1answer
260 views

Is my cactus infested with mealy bugs?

I have had this cactus for about 5 (or more) years, and have been treating it pretty shamefully due to me only recently researching how to garden and unfortunately being one of those who didn't care ...
3
votes
1answer
412 views

Flattened/Deflated cactus, snapped cactus and white spots

I've been on holiday for 2 weeks, and today I put my cacti out into the sun for the first time in a 2 weeks. I noticed immediately that one section of one cactus had "deflated", or collapsed in on ...
5
votes
1answer
100 views

Is this a typical growth habit for a cactus?

I was re-potting my 9+ year old cactus to a bigger pot yesterday and noticed a sizable portion of its stem is submerged. Is this a typical growth habit? What are the chances that this stem might rot ...
3
votes
1answer
913 views

Orange and White thing in my new house plant soil

I got these new plants from Walmart just a week ago ( Monday ) and I did some research saying to water them once a week so I waited until Wednesday to water them. The research told me to water until ...
3
votes
1answer
862 views

Can I plant succulents and cactus in the same pot?

I have 3 plants, Gasteria, Haworthia and one cactus, the Euphorbia enopla. I have the appropriate soil with drainage but I was told the cactus would not do well with the others. How would I go about ...