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10-19-2010, 10:33 AM
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Join Date: Mar 2010
Location: Svit, Slovakia, Europe
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frozen masdevallias
hello, I wasnīt at home for a week and some unexpected frost came! so -4celsius to -5celsius
My three masdevallias have some big injures... almost erery leaf was harmed, but they do not seem dead yet.
unexpected the cymbidiums are ok... and one zygo with fat buds is ok, but the buds wont probably open anymore...
Do you have some recovery advice?
Thanks...
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10-19-2010, 10:44 AM
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I think all you can do is keep caring for them and hope for the best. Once the cells in the leaves are damaged there is not anything that can be done for the damaged parts, so just give the best care you can to encourage them to grow replacements.
I've heard of Masdies loosing all leaves to infection then bouncing back again... so hopefully if they don't seem dead they will be able to recover.
I don't really know anything about Zygo... my one and only one is recovernig from being almost dead from rot and I just keep watering and hoping for the best.
You remind me that my Cym needs to come into the greenhouse soon. I've started having to heat the greenhouse at night to keep it from frost, so I think the Cym should be in there. Good to know yours survived a bit of frost.
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10-19-2010, 10:54 AM
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I thought that masdevallias would stand more frost than cyms, but I was wrong.
Yes the zygopetalums rot a lot!!! ![Smile](http://www.orchidboard.com/community/images/smilies/new/smile.gif) but I have managed to make them survive... one wa about to bloom, but the frost took my hopes...
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10-19-2010, 01:20 PM
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Quote:
Originally Posted by xristie9
I thought that masdevallias would stand more frost than cyms, but I was wrong.
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Only the ones from super high elevations (2,700 m to 3,000 m) may be able to take very light frost.
The ones from 1,800 m to 2,600 m, don't.
Cymbidiums can vary with cold tolerance too.
If their parentage (if they're hybrids) are mostly from the species that naturally occur in areas of China, Korea, or Japan, then yeah, it can take a bit of light frost, no problems.
If they're from more tropical countries, then no, they'll experience quite a bit of damage.
Quote:
Originally Posted by xristie9
Yes the zygopetalums rot a lot!!! ![Smile](http://www.orchidboard.com/community/images/smilies/new/smile.gif) but I have managed to make them survive... one wa about to bloom, but the frost took my hopes...
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Try watering the Zygos a bit less.
See if a smaller pot will work.
Also, try and provide some more air circulation.
They can tolerate temperatures as low as 36 F (2 C) for brief periods.
Zygos are closer to being cool to intermediate growing than being a true warm grower.
That may curb the rotting.
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Last edited by King_of_orchid_growing:); 10-19-2010 at 01:24 PM..
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10-19-2010, 01:46 PM
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Just as a note on the Zygo rotting.
My recoving almost dead one is now in S/H and seems to love it. It had lost all it's roots anyway, so I had nothing to loose, but the new roots are always green and it's growing well as well. Still not sure about long term success but as I had given this one up for dead anyway I thought I would experiment.
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10-19-2010, 05:04 PM
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Quote:
Originally Posted by King_of_orchid_growing:)
Only the ones from super high elevations (2,700 m to 3,000 m) may be able to take very light frost.
The ones from 1,800 m to 2,600 m, don't.
Cymbidiums can vary with cold tolerance too.
If their parentage (if they're hybrids) are mostly from the species that naturally occur in areas of China, Korea, or Japan, then yeah, it can take a bit of light frost, no problems.
If they're from more tropical countries, then no, they'll experience quite a bit of damage.
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yes it is in deed specific...
I have Masdevalla mandarina (was at least damaged), Masdevallia tovarensis and a hybrid...
As for the cymbidium they are all NOID hybrids...
Quote:
Originally Posted by King_of_orchid_growing:)
Try watering the Zygos a bit less.
See if a smaller pot will work.
Also, try and provide some more air circulation.
They can tolerate temperatures as low as 36 F (2 C) for brief periods.
Zygos are closer to being cool to intermediate growing than being a true warm grower.
That may curb the rotting.
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yes I expirienced that less water helps, they do good outside but when they are inside for the winter I have quite work to donīt make them rot...
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10-19-2010, 05:48 PM
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Sorry about the losses, but it might be possible to save the Masdies, their rhizome (stolon) might have remained unharmed. Keep hope.
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11-28-2010, 01:53 PM
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hello friends,
(ater a month and half)
Masd. mandarina got 3 new leafs, and the NOID one a lot more, Masd. tovarensis has 2 damaged old leaves but is still alive...
the frost damaged the leafes, but as Tindomul suggested the rhizome stayed alive...
I keep hope for tovarensis as well, pehaps after another month it will send some signs of groowing ![Smile](http://www.orchidboard.com/community/images/smilies/new/smile.gif)
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11-28-2010, 04:24 PM
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Glad they are recovering for you. Just shows how strong orchids can be. ![Smile](http://www.orchidboard.com/community/images/smilies/new/smile.gif)
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11-28-2010, 07:44 PM
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Just goes to show what they can take !
Hopefully they will recover .
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