Questions tagged [cactus]

Member of the family Cactaceae. Desert succulents.

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1answer
33 views

What type of cacti is this?

I would like to know what variety of cactus this is. It has grown three times its height since I bought it and although I have looked on many websites, I just cannot seem to find anything like it.
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44 views

I don’t know what’s happening to my opuntia, can you help me?

I've had this opuntia since may this year and it was growing fine, it had grown three new little opuntia and suddenly it started having this white rod like things, at first I cleaned them up but a ...
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1answer
21 views

How much soil needed for cactus maintenance?

I have several sabila cactuses that look like the picture below. I was considering filling up a cut wine bottle like this with soil and using it as a pot for the cactus. Is this possible or do they ...
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2answers
52 views

The growth on my cacti has changed, and it wierd

I asked a question about the growth on my cacti earlier in the summer, however it's just acting weird. I initially thought it was a cacti fruit because it originated from a flower I tried to cross ...
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1answer
57 views

Please ID this cactus species

The label that was in the pot when I got it identified the genus as espostoa. Is it possible to tell what species it is? If not, does it even matter? I'm trying to figure out the name of the species ...
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1answer
35 views

Cactus looks weird

Hello, my cactus is turning brown and whiteish at the base. It is not exactly softer at the base compared to the rest of the cactus. Not sure if this is root rot or something else. Does anyone have ...
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0answers
40 views

What wrong with my cactus

Ive had this cactus which i think is a Pachycereus Schotti/Monstrosus since years and its been growing fabulous. Ive just recently noticed it acquired some brown scales (non Insect) and looks like ...
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19 views

Maintain cactus without soil?

I have several cacti plants (sabila), just like the one in the picture, and I have several cut wine bottles. I would like to place several of them around our balcony, but without using soil. My ...
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1answer
36 views

Why is my cactus yellowing and dying?

My cactus has been grown from seed and has lived about five years. Over the past several months it has turned yellow- I read that it may be a case of root rot/overwatering so I’ve not watered it in ...
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1answer
28 views

Fairy castle cactus

My cactus has been suffering for 3 days, and now it look very sick. Could someone tell me the cause for which it looks like this and how I take care of him? Thank you very much!
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1answer
25 views

Can cactus live in water permanently?

I have many small sabilas (a cactus), so my idea was to cut the top part of several wine bottles, fill the remaining glass container with water, and place the cactus in the bottle, like in the picture ...
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1answer
52 views

Help identifying this weird cactus

got this cactus from a roadside seller. Didn't catch the name, and having trouble finding it online. The needles are very flexible and paper-like. Let me know if you have any info!
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3answers
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How long can plants survive without light?

For context I'm moving house and shipping most of my stuff. Shipping is expected to take 1-2 weeks. I want to know if shipping my house plants is worth considering. I have a bunch of cacti and ...
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1answer
50 views

Can a cactus be encouraged to “branch out”?

About 5 years ago I was given this cactus, in a minuscule pot and severely dehydrated. To my surprise it responded to watering and repotting really well. About 18 months ago I woke one morning to find ...
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1answer
42 views

Can I Save My Purple, Skinny, Lopsided Cactus?

I am a person who recently got a cactus from a previous owner (used as a decorative piece in a restaurant), and I also have 0 experience gardening. Some searches on stackexchange and elsewhere seem to ...
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32 views

Cactus id (Polaskia?)

I have a cactus here (9 cm tall), and I think it is Polaskia chichipe, however it might be P. chende as well. I don't know how to tell difference. It might as well not be Polaskia at all. Can someone ...
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1answer
28 views

Prickly pear wilting after being in the sun

my prickly pear has been doing great, until this morning I put it outside in direct sun and within a few hours the new baby on the top started to lean. I also watered it the same day. Any ideas as to ...
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1answer
26 views

What’s up with my cactus

I’m new here but hoping for some help. Is he going to die, am I watering too much? I planted seeds around 1.5 years ago and I’m amazed how big he’s grown but recently he’s been turning yellowish ...
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1answer
42 views

can I save my cactus?

my Cactus is all mushy and shrunken in at the bottom and I don’t know what’s wrong, or if I can fix it.
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2answers
86 views

My cactus is brownish at the bottom, is it rot?

I've had this cactus for around 5 years. A few months ago it started turning brown from the bottom, was it from over watering? Can it be saved?
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1answer
42 views

How can I help out this cactus?

Unfortunately I don't know the name of this cactus, How do I get rid of these little white things that is like a spider web? she is dying :(
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1answer
63 views

How can I tell how old my fairy castle cactus is?

this is my new fairy castle cactus also referred to as a green finger cactus(https://i.stack.imgur.com/ZpBSg.jpg)
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1answer
17 views

Proper growth of pear cactus

I have two cacti growing in two separate apartments. Both get about the same amount of water and sun. I think they are the same species. One grows nice oval features but the other grows long ...
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0answers
54 views

Why is my cactus losing spikes?

So basically i recently got this cactus as a gift. (And is the 1st time owning one) i keep it in sunlight, water it ever 1-2 weeks depending on how dry the soil is, and i keep it in a pot with holes ...
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2answers
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Is my cactus being under watered?

I’ve had my cactus for over a year now. I bought it late winter/early spring (February/March?) and from the time I bought it to around a month ago it had very stunted growth and didn’t grow any new ...
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1answer
33 views

Should i remove my prickly pear?

I have a large prickly pear cactus growing closely between a pomegranate tree and a raspberry/loquat tree. Both pomegranate and raspberries need a lot of watering and a cactus of course does not. Also ...
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1answer
28 views

Cactus identification

I live in a student house where one of my fellow housemates has a cactus. She's incredibly bad in caring for her plants and pretty much doesn't give any attention to them whatsoever. Though, she ...
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1answer
19 views

Transplant aloe to several pots?

This is my aloe vera plant. It’s healthy but it long outgrew the 10” pot. Instead of moving it into a bigger pot, I would like to transplant it into 2 or 3 pots. How should I do this without hurting ...
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0answers
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Yellow spots on cactus, brown spines

I have a cactus in which some yellow spots are appearing, some are starting to turn brown even. Then the spines seem to be dark brown on the top and white on the sides. Not sure if that's normal. I ...
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1answer
1k views

What is this problem on this succulent?

I have this succulent in my indoor since last few months. I just moved it outside few days back and now they look like this. This is how I ruined this plant :( I moved it to sunlight which was all ...
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1answer
44 views

What cactus' disease is this?

My sister has this cactus with those brown spots in it. It does not seem to be spreading, or if it is, is very slowly. Does anyone know what it is so we can treat it?
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2answers
55 views

What are these Cacti? Are they Healthy?

I bought two cacti from IKEA. I water them weekly. They seem happy. Not growing much but maybe a little. I don't know what they are or if I'm looking after them right. Please have a look at the ...
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30 views

I don’t know what’s happening with my cacti it had brown spots on it and it happens a week ago I think

so I don’t know what’s wrong with my cacti
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2answers
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Scale like skin on indoor dragonfruit plant. Help!

I’m a little concerned about my dragonfruit plant (at least I think that’s what it is-bought it as a “cactus”). It has always had a little of this scaling, but it has gotten worse recently. I’m just ...
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Epiphytic(?) Cactus Identification Needed

Epiphtye-like cactus Got it while picking up a Moonglow graptoveria at a local greenhouse. This sad little epiphytic guy looked way out of place among the golden barrel seedlings. Unfortunately there ...
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1answer
33 views

Cut-off cactus piece not showing signs of new roots, should I plant it in the ground anyway?

around 3 weeks ago I've cut off the top of my healthy moon cactus with the hopes of successfully replanting it. I followed some online tutorials and left it out on a plate to dry, kept it out of any ...
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1answer
51 views

Is there any chance for this cactus?

I have this cactus cactus, but it leans heavily. The bigger it gets, the more it tends to lean. It leaned even before I repotted it, and is even worse after. Is there any saving it, or should I just ...
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3answers
66 views

what is the name of this cactus/succulent?

Hi everyone, can anyone identify this cactus/succulent? Thanks in advance for your suggestions
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1answer
114 views

Diagnosing yellow spots on my cactus growing under artificial light

I have owned a Mammillaria Nejapensis for the last few months which began showing unhealthy yellow spots a few weeks back and seems to be getting progressively worse. A photo of the cactus is attached....
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2answers
66 views

Small cactus with woolly sides identification

I got this cactus as a present, at least I think it is a cactus, but don't know what species it is. It is small now about 5-6 cm in height. It has hairy or woolly sides, and has multiple stems. Does ...
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1answer
71 views

The water in my cactus oozed out when I moved the pots and now it is kind of deflated, is it dead, is there any way to help it?

The water in my cactus oozed out when I moved the pots and now it is kind of deflated. Is it dead, is there any way to help it?
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2answers
119 views

When and how to repot this cactus?

I found this cactus in a store, it was labeled as "cactus" but I think it is one of the giant cacti (see my previous question). It is about 12 cm in height (without spines). I was wondering when is ...
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1answer
104 views

Christmas cactus: brown spots

I recently got a small Christmas cactus, and have put it on a shelf indoors, not directly exposed to sunlight (as I've been advised to do). I water it when the soil is dry to the touch. Recently, ...
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3answers
1k views

Why is this cactus plant turning yellow at the base?

I've done some research and found that yellowing/browning on the base can happen for several reasons. Sunburned Mites Root Rot from being too wet Not enough water My guess is it is root rot because ...
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2answers
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What kind of cactus do I have?

I was gifted the plant about 3 years ago and don't know what it is. It's grown a ton in that time, but no sign of fruit or flowering at all. This is the first plant I've been able to keep alive and I'...
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1answer
52 views

Why is my cactus limping?

Not sure why it's been limping, the baby one also started limping and died recently. The bottom is a bit yellow but not rotten yet. Not sure how to care for it not that it's so tall
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2answers
53 views

Help revive cactus?

I bought this cactus a few years ago and I want to fix it. I don’t know how to fix the almost translucent spots it has and I would like to repot it but not sure how since the rocks are like glued in?? ...
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1answer
64 views

White spots on cactus

I’m fairly new to gardening but purchased some cactus’ last year. I noticed one started to develop a white spot on the side of it. I isolated this cactus into its own pot. Any idea’s what it is or ...
2
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1answer
57 views

Frostbitten cactus, turning yellow and black, can it recover?

I've had this cactus for a while now, last spring I moved it to the balcony and kept it there till now. I thought everything was ok but then I noticed that the side not facing the window was turning ...
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54 views

What should I do next to take care of this cactus which I grafted two years ago?

Two years ago I succeeded in this grafting. I would like to know how long you think it will resist the cactus feeding the graft and what to do next?