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Invisibledurian_2008
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Re: A lot of beginner questions [Re: mrmazdarx9]
    #24025600 - 01/20/17 01:05 PM (7 years, 10 days ago)

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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Offlinelovelaughlibs
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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)

Extreme climates like deserts really do resemble other planets :smile:


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OfflineDoneKildatReason
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Re: A lot of beginner questions [Re: lovelaughlibs]
    #24030613 - 01/22/17 01:46 PM (7 years, 8 days ago)

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....


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Invisiblethe_r3dz
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Re: A lot of beginner questions [Re: DoneKildatReason]
    #24030622 - 01/22/17 01:51 PM (7 years, 8 days ago)

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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InvisibleMostly_HarmlessM
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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)

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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Invisiblethe_r3dz
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Re: A lot of beginner questions [Re: Mostly_Harmless]
    #24030853 - 01/22/17 03:16 PM (7 years, 8 days ago)

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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InvisibleMostly_HarmlessM
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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)

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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Invisiblethe_r3dz
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Re: A lot of beginner questions [Re: Mostly_Harmless]
    #24030916 - 01/22/17 03:32 PM (7 years, 8 days ago)

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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InvisibleMostly_HarmlessM
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Re: A lot of beginner questions [Re: lovelaughlibs]
    #24031024 - 01/22/17 04:20 PM (7 years, 8 days ago)

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 :grin:

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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OfflineNDStepp84
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Re: A lot of beginner questions [Re: Mostly_Harmless]
    #24031260 - 01/22/17 05:36 PM (7 years, 8 days ago)

Some good info on temps in here :takingnotes:
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.


--------------------

"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.
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:takingnotes: Links and teks:takingnotes:
ND's grow log and discussion
Plant thread


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Invisiblethe_r3dz
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Re: A lot of beginner questions [Re: NDStepp84]
    #24031289 - 01/22/17 05:44 PM (7 years, 8 days ago)

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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Invisiblethe_r3dz
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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)

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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OfflineNDStepp84
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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)

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.


--------------------

"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 

:takingnotes: Links and teks:takingnotes:
ND's grow log and discussion
Plant thread


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Invisiblethe_r3dz
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Re: A lot of beginner questions [Re: NDStepp84]
    #24031367 - 01/22/17 06:05 PM (7 years, 8 days ago)

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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Invisibledurian_2008
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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)

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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Offlinelovelaughlibs
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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)

6-8 years!? This really is a patience thing :p


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Invisibledurian_2008
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Re: A lot of beginner questions [Re: lovelaughlibs]
    #24034481 - 01/23/17 08:30 PM (7 years, 7 days ago)

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.

:wowz:


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InvisibleMostly_HarmlessM
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Re: A lot of beginner questions [Re: lovelaughlibs]
    #24036362 - 01/24/17 03:24 PM (7 years, 6 days ago)

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".
:sunny:




2 years later, I chopped another 2. I think these 2 were 1.4 to 1.7kg each.



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Offlinelovelaughlibs
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Re: A lot of beginner questions [Re: Mostly_Harmless]
    #24036741 - 01/24/17 05:47 PM (7 years, 6 days ago)

Cool progress log!

Was it an independent garden centre you went to or a chain one?


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InvisibleMostly_HarmlessM
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Re: A lot of beginner questions [Re: lovelaughlibs]
    #24037750 - 01/25/17 04:18 AM (7 years, 5 days ago)

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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