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durian_2008
Cornucopian Eating an Elephant



Registered: 04/02/08
Posts: 16,693
Loc: Raccoon City
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Re: A lot of beginner questions [Re: mrmazdarx9]
#24025600 - 01/20/17 01:05 PM (7 years, 10 days ago) |
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Chilean fog desert.
There are eventually going to be physical limits, but cacti can be exposed to some humidity and some freezing temps.
We get snows, here, although the temperature would very rarely fall below freezing.
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lovelaughlibs
Dopamine Slave



Registered: 10/14/15
Posts: 1,811
Loc: England
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Re: A lot of beginner questions [Re: durian_2008] 1
#24027630 - 01/21/17 09:03 AM (7 years, 9 days ago) |
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Extreme climates like deserts really do resemble other planets
-------------------- Ask and ye shall receive; Seek and ye shall find.
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DoneKildatReason
Chemical in the body



Registered: 02/25/05
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Loc: Green Country
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That'd be cooler than shit if we could breed a cactus to withstand freezing temps reliably.... But how.... And how in hell would that soft flesh withstand that amount of damage to cell walls. The core I imagine could. But not the soft flesh....
-------------------- This was an experiment.
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the_r3dz
Trich Propagator


Registered: 03/26/15
Posts: 5,709
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They say that PC plants in the ground can handle seriously cold temps (which would make sense because it's thought of to be a bolivian species, which definitely experience much lower temps), surviving through a night of 10f with nothing but a bit of tip damage but it must get warm again during the daytime, even normal trichs are good to 25f in the ground according to growers in california, but again, daytime temps must be pretty high, at least 50f
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Mostly_Harmless
wyrd bið ful aræd



Registered: 05/12/09
Posts: 5,043
Loc: Perfidious Albion
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Re: A lot of beginner questions [Re: the_r3dz]
#24030837 - 01/22/17 03:11 PM (7 years, 8 days ago) |
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We haven't seen 50f in the daytime for a while here. Last night went to 22f. The trichs don't care. Some are in the ground although under shelter and don't see direct watering from rains. Their roots have left their bed and have gone under my lawn where it is always damp, pulled up a bridgesii and was surprised by the extent the roots went into thick compacted permanently wet soil. The lophs are going through the same temps.
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the_r3dz
Trich Propagator


Registered: 03/26/15
Posts: 5,709
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What are your daytime temps?
It's so rad you can grow them outside there, these plants are amazing.
the growers I talk to in California say that their plants do fine as long as it doesn't stay cold for extended periods of time
There are quite a few pictures of lophs in texas that see 10f and are covered in snow Trout gives a talk where he discusses the types of extremes that Lophophora can handle
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Mostly_Harmless
wyrd bið ful aræd



Registered: 05/12/09
Posts: 5,043
Loc: Perfidious Albion
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Re: A lot of beginner questions [Re: the_r3dz]
#24030898 - 01/22/17 03:28 PM (7 years, 8 days ago) |
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Daytime highs of 40f this week. I have a potted terscheckii that has been kept wet all winter for a test. They are generally ok outside if the roots are kept mostly dry, or located in a fortunate micro-climate.
This terscheckii is in the ground in the UK, and flowers. ~14ft in that pic, some years ago
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the_r3dz
Trich Propagator


Registered: 03/26/15
Posts: 5,709
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Did you pollinate it?
I can't believe you're doing that test on a terschekii lol I can understand using PC or something
It gets above freezing temps in the day, I imagine that's what's important, still very surprising lol but around here if it's -5c at night, it might only get up -2 maybe 0 in the day
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Mostly_Harmless
wyrd bið ful aræd



Registered: 05/12/09
Posts: 5,043
Loc: Perfidious Albion
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Oh that one isn't mine!
I am sacrificing some of my terscheckii from seed to some tests. It is our winter rains or regular freeze/thaw that can kill outdoor cacti, more than the actual temperature. No need for heating here in greenhouses for trichs, and lophs apart from real rare cold snaps.
I've never come across PC over here. Nurseries don't carry too many trichs, but then we have easy and ample loph supplies 
Quote:
lovelaughlibs said:
How long from seed to "big enough" does it take roughly?
A trich in the uk from seed, optimally grown (outdoors/greenhouse/conservatory, not a windowsill), ideally bridgesii for consistency, I'd estimate 6-8 years.
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NDStepp84
Stellar nuclear waste

Registered: 04/23/15
Posts: 4,956
Last seen: 1 month, 4 days
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Some good info on temps in here I'm starting to think these plants can handle more water and organics in the soil than people think. This summer I'm going to experiment with upping my organics in my soil of some trichs and watering more, just letting them dry a couple inches down before watering.
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"I am free, no matter what rules surround me. If I find them tolerable, I tolerate them; if I find them too obnoxious, I break them. I am free because I know that I alone am morally responsible for everything I do. -Robert A. Heinlein
Links and teks ND's grow log and discussion Plant thread
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the_r3dz
Trich Propagator


Registered: 03/26/15
Posts: 5,709
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Re: A lot of beginner questions [Re: NDStepp84]
#24031289 - 01/22/17 05:44 PM (7 years, 8 days ago) |
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I personally wouldn't change both variables at the same time, scientific method and all that
My thought behind the mineral mix is that you can theoretically give the cactus more water, because the mineral mix dries faster you can water 2-3 times per week in the summer I can't imagine an organic soil drying out fast enough to need watering any more than once a week if that so it sits in soggy soil for a whole week until it's soaked again
From my understanding, cactus grow their roots as the soil dries, so I would think that's when they do the most water absorption
If you have seen any of the dude's trip to Peru's pictures, there are trichs with 20 arms 15' high that are less than 50" from river's edge, one was literally on the river bank the amount of water that these plants can handle is insane
Here's an example
Edited by the_r3dz (01/22/17 05:45 PM)
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the_r3dz
Trich Propagator


Registered: 03/26/15
Posts: 5,709
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Re: A lot of beginner questions [Re: the_r3dz] 1
#24031296 - 01/22/17 05:46 PM (7 years, 8 days ago) |
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and another...
 seems I might have underestimated the number of arms and height ;D some seriously huge plants
Edited by the_r3dz (01/22/17 05:47 PM)
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NDStepp84
Stellar nuclear waste

Registered: 04/23/15
Posts: 4,956
Last seen: 1 month, 4 days
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Re: A lot of beginner questions [Re: the_r3dz]
#24031319 - 01/22/17 05:51 PM (7 years, 8 days ago) |
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Was thinking of dropping the mineral only by 10-15% or so to be on the safe side, I have a couple I could stand to loose but as long as I don't overdo it I think they will be fine. That's awesome! you know the roots are down under that stream soaking it up.
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"I am free, no matter what rules surround me. If I find them tolerable, I tolerate them; if I find them too obnoxious, I break them. I am free because I know that I alone am morally responsible for everything I do. -Robert A. Heinlein
Links and teks ND's grow log and discussion Plant thread
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the_r3dz
Trich Propagator


Registered: 03/26/15
Posts: 5,709
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Re: A lot of beginner questions [Re: NDStepp84]
#24031367 - 01/22/17 06:05 PM (7 years, 8 days ago) |
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yeah man they are crazy resilient I look forward to your results
he posted photos of the soil and it was surprisingly rocky, and the dirt really didn't seem too rich really dusty and sandy
but then you have the pachanoi that live in the rainforests of ecuador, I'm sure they have some pretty rich soil
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durian_2008
Cornucopian Eating an Elephant



Registered: 04/02/08
Posts: 16,693
Loc: Raccoon City
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Re: A lot of beginner questions [Re: the_r3dz]
#24031732 - 01/22/17 07:54 PM (7 years, 8 days ago) |
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Quote:
the growers I talk to in California say that their plants do fine as long as it doesn't stay cold for extended periods of time
Quote:
What are your daytime temps?
Averages are reported to be 95 in the summer and 50's, in the winter.
Quote:
That'd be cooler than shit if we could breed a cactus to withstand freezing temps reliably.... But how....
Grafting has conferred cold tolerance, in the case of cucumbers.
And, cacti are commonly grafted.
I find that desert cacti are commonly cold tolerant, to around 20F.
But, succulent, jungle epiphytes would tend to be more tender.
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lovelaughlibs
Dopamine Slave


Registered: 10/14/15
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Loc: England
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Re: A lot of beginner questions [Re: durian_2008]
#24032071 - 01/22/17 10:10 PM (7 years, 8 days ago) |
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6-8 years!? This really is a patience thing :p
-------------------- Ask and ye shall receive; Seek and ye shall find.
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durian_2008
Cornucopian Eating an Elephant



Registered: 04/02/08
Posts: 16,693
Loc: Raccoon City
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My opuntia is getting some cracks in it, like tomatoes and peppers do, after summer monsoons.
Rain is pooling in planters, with holes, in the bottom.
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Mostly_Harmless
wyrd bið ful aræd



Registered: 05/12/09
Posts: 5,043
Loc: Perfidious Albion
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Quote:
lovelaughlibs said: 6-8 years!? This really is a patience thing :p
From a past post, grown in England. The top cut rooted easily and the remaining stump pushed pups. The centre cut gave 17g of dried flesh.
Quote:
Mostly_Harmless said: This is one of a pot of seedlings picked up at a local garden centre. All 4 were planted out in an in-ground bed inside my greenhouse in 2011, unheated, and survive our winters well. I estimate they were in maybe their 2nd or 3rd year at time of purchase, 3-4" tall.
June 2011

December 2012

June 2013 (it is the one on the left)

October 2013

August 2014

The centre piece is 22" and weighs 1kg, the top cut is 8".
2 years later, I chopped another 2. I think these 2 were 1.4 to 1.7kg each.
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lovelaughlibs
Dopamine Slave


Registered: 10/14/15
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Loc: England
Last seen: 5 years, 11 months
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Cool progress log!
Was it an independent garden centre you went to or a chain one?
-------------------- Ask and ye shall receive; Seek and ye shall find.
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Mostly_Harmless
wyrd bið ful aræd



Registered: 05/12/09
Posts: 5,043
Loc: Perfidious Albion
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From a small chain of garden centres owned by one family in my area. The only time I have seen trichs there, lophs are more likely to be found. I have seen TBM just once too, at an independent garden centre.
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