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Re: Japanese Maple 'Orangeola'

Was  it truly sunscald, or did you have cambium destruction from  
frozen sap secondary to that freeze?

Cathy, west central IL, z5b

On Jan 8, 2008, at 7:15 AM, pulis@mindspring.com wrote:

> One thing we in the South found last year was that Japanese Maple  
> bark is
> extremely susceptible to sun scald when it goes from shaded to full  
> sun.
> When we had the freeze last Easter, lots of the new growth died, as
> expected. What nobody counted on was that the bark lower down would be
> fried.
> I lost one maple entirely, and had severe damage to 2 others. Many  
> people
> reported the same, and the local arborists were busy rigging shade  
> cloth.
> We, of course, grow ours in afternoon shade anyway. You might  
> consider is to
> limb up and thin the crown of your cherry this year to allow more  
> sun on the
> Orangeola and then take the cherry down next year.
> If you decide to do the deed this year, do it well before new leaves  
> break.
> Once
> they've put out larger leaves to accommodate shade, they have a  
> tough time
> maintaining them in the sun. There's also the humidity difference  
> between
> being under a transpiring tree and being out in the open.
> d
> ---------------------------------------------------------------------
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