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Oct 11, 2015 5:46 PM CST
Name: Heath
sevierville TN (Zone 7a)
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I know I should know the name of these two cactuses but I can't remember for the life of me nor can I find them anywhere. The first picture I found one at Lowes but the tag didn't have the name of it it just said cactus. The second picture my dad gave to me he bought it out west somewhere and can't remember the name.



Thumb of 2015-10-11/plantcollector/be11f9
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Oct 11, 2015 5:52 PM CST

Plumerias Photo Contest Winner: 2015 Charter ATP Member I was one of the first 300 contributors to the plant database! Garden Ideas: Master Level Forum moderator
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The top one appears to be Euphorbia trigona.
Avatar for Plantomaniac08
Oct 11, 2015 6:18 PM CST

I agree on the first ID. Not sure on the second cactus. Confused
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Oct 11, 2015 6:56 PM CST
Name: Heath
sevierville TN (Zone 7a)
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Thanks a lot. I've been trying to ID these plant's all summer, Now I can add it to my plant list Hurray!
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Oct 11, 2015 7:20 PM CST
Name: aud/odd
Pennsylvania (Zone 6b)
Garden Ideas: Level 1
The second one looks like Disocactus flagelliformis (Rat Tail Cactus)
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Oct 12, 2015 10:19 AM CST
Name: Deborah
midstate South Carolina (Zone 8a)
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Cinta, that was my thought too, but the thick, upright tails made me think otherwise. If that's what it is, it's a very healthy specimen. Maybe the tails were reaching for more light than it was receiving. Shrug!
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Oct 12, 2015 5:26 PM CST
Name: Heath
sevierville TN (Zone 7a)
Beekeeper Bee Lover Composter Frugal Gardener Houseplants Region: Tennessee
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I think @cinta is on the right track with the rat tail cactus.But all the images I've looked at of the rat tail seem to be hanging down were mine is trying to grow up. It gets well over 8 hours of direct sunlight a day. I have also been told it looks like "The Old Man of the Andes". I'm curious to know if anyone who is familiar with that cactus agrees.
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Oct 12, 2015 5:42 PM CST
Name: aud/odd
Pennsylvania (Zone 6b)
Garden Ideas: Level 1
My dog-tail cactus (Selenicereus testudo)does the same thing of some of the tails sticking up until they get to a certain length then they drop down. Most of you younger tails are the ones that are sticking up. That is why I thought it might be a cat tail.

The cactus that I have seen that have been said to be "The Old Man of the Andes" were more of a singular stem cactus that is very stiff and does not hang down.
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Oct 12, 2015 6:37 PM CST
Name: Heath
sevierville TN (Zone 7a)
Beekeeper Bee Lover Composter Frugal Gardener Houseplants Region: Tennessee
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Thanks Cinta! It makes sense that they would grow vertically until they are too heavy or long to stay upright. I appreciate all your help. I believe my orphan cactus my finally have a name!
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Jan 5, 2016 9:46 PM CST
Name: Wolfgang Bleicher
Germany / Bavaria (Zone 7a)
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The second picture maybe shows Oreocereus doelzianus
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Jan 6, 2016 9:40 AM CST
Name: Deborah
midstate South Carolina (Zone 8a)
Don't Sweat the Small Stuff!
Charter ATP Member Amaryllis Tropicals Plant and/or Seed Trader Seed Starter Plumerias
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Plantcollector, I kept thinking that 2nd cactus looked like something that I'd seen before, but couldn't remember the name of it. Then I was going through some older posts of a thread about other plants orchid growers had, in the Orchid forum and saw a picture of a similar plant, which @Ursula said was Hildewintera aureispina, a cristate that she allows to revert to the original form with the hanging stems like yours. So I googled it and came to this link with a plant more like yours and the name I'd been wrecking my brain trying to remember:
http://www.cactus-art.biz/sche...
I found out that Hildewintera has been renamed Cleistocactus winteri. Here's our database link which lists it's common name Golden Rat Tail Cactus. (@Cinta was definitely in the right ballpark) Thumbs up : Golden Rat Tail (Borzicactus aureispinus) or depending on the bloom color, another possibility: Matucana icosagona
LMK what you think.
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Jan 6, 2016 1:07 PM CST
Name: tarev
San Joaquin County, CA (Zone 9b)
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Hello everyone, just catching up with the threads.

It does seem to look like a rat tail cacti as Cinta said. My rat tail does that growing up growth then later on it trails down. The Old Man of the Andes is more hairy, like covered all over with white hair growth.

It would be nice when it makes some blooms later on. Then we can see if it is a rat tail cacti indeed.
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Jan 6, 2016 2:59 PM CST
Name: Heath
sevierville TN (Zone 7a)
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I have never seen blooms on it. My dad had it for about a year before he gave it to me. Maybe it will bloom this summer.
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Jan 6, 2016 3:29 PM CST
Name: tarev
San Joaquin County, CA (Zone 9b)
Give PEACE a chance!
Houseplants Cat Lover Region: California Plays in the sandbox Orchids Plant Lover: Loves 'em all!
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In my area, I usually get the blooms in late Spring to early Summer. I have a photo in our ATP database.

Last edited by tarev Jan 6, 2016 3:31 PM Icon for preview
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Jan 6, 2016 3:59 PM CST
Name: Karen
New Mexico (Zone 8a)
Region: New Mexico Region: Arizona Region: Ukraine Cactus and Succulents Plant Identifier Plays in the sandbox
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Just came home with a noid rat tail. I'll get pics and see what you think.
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Jan 6, 2016 5:18 PM CST
Name: Heath
sevierville TN (Zone 7a)
Beekeeper Bee Lover Composter Frugal Gardener Houseplants Region: Tennessee
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I would like to see it. Does it look like mine
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Jan 6, 2016 6:00 PM CST
Name: Karen
New Mexico (Zone 8a)
Region: New Mexico Region: Arizona Region: Ukraine Cactus and Succulents Plant Identifier Plays in the sandbox
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One I have had a long time looks just like yours. This new one has fatter stems and is a more golden color rather than green. I still haven't had the right light to photograph it. We are getting rare Arizona rain.
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Jan 6, 2016 6:11 PM CST
Name: tarev
San Joaquin County, CA (Zone 9b)
Give PEACE a chance!
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We have been getting lots of rains this time around too Karen. Have been peeking at my succulents outdoors from time to time...so far they are holding..thankful for some break in the rain and that overnights are above 40F so not too bad yet. My rat tail cacti is outdoors, so far not showing any undue cold/rain damage.
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Jan 6, 2016 6:17 PM CST
Name: Heath
sevierville TN (Zone 7a)
Beekeeper Bee Lover Composter Frugal Gardener Houseplants Region: Tennessee
Vermiculture Million Pollinator Garden Challenge
I can't keep mine outside it has been put up since November under grow lights and heat.
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Jan 6, 2016 6:51 PM CST
Name: tarev
San Joaquin County, CA (Zone 9b)
Give PEACE a chance!
Houseplants Cat Lover Region: California Plays in the sandbox Orchids Plant Lover: Loves 'em all!
Composter Cactus and Succulents Dragonflies Hummingbirder Amaryllis Container Gardener
Yes, keep your cacti indoors Hearth, it gets much colder on your side. It took me awhile to see which of my cacti can take our cold/wet winters here..killed some along the way oops!

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