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cactus id


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#1 Vranna Avia

 
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Posted 07 June 2010 - 20:56 PM

Does anyone know what çactus this is?

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#2 Amori

 
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Posted 07 June 2010 - 22:36 PM

Usually it's a Gymnocalycium mihanovichii grafted on a Hylocereus trigonus rootstock.

#3 Vranna Avia

 
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Posted 08 June 2010 - 10:44 AM

Thanks! I read on the internet that I should keep it in partial shade. But I've been keeping it in full sun since I've had it. I'ts been doing fine and has 6 big buds about to flower. So now I'm in doubt, should I let it standing in full sun since it's been doing fine there or should I move it because the internet said so? Could it be harmful over time to keep it in full sun?

#4 Leo

 
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Posted 02 July 2010 - 20:26 PM

Thanks! I read on the internet that I should keep it in partial shade. But I've been keeping it in full sun since I've had it. I'ts been doing fine and has 6 big buds about to flower. So now I'm in doubt, should I let it standing in full sun since it's been doing fine there or should I move it because the internet said so? Could it be harmful over time to keep it in full sun?


It is a chlorophyll free mutant (that's the reason for grafting). I have had mine in full sun for five years and it is still alive but has not flowered as nicely as yours has. Quite tough overall.

#5 Amori

 
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Posted 03 July 2010 - 08:02 AM

It looks like this one hasn't been irradiated - Dark purple-green G. mihanovichii and friedrichii are quite common, if not the norm, and often sold on their own roots.

Edited by Amori, 03 July 2010 - 08:03 AM.