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Diseased Japanese Maple?

ssx_osc34

LawnSite Member
Location
Sacramento, CA
I have (I believe) two Japanese maples that don't look right to me, both the discolored leaves and the colors of the bark. Could anyone advise what may be going on here, or if these are in fact healthy? None of the discoloration appears dusty or anything. Located in California and they're watered with drip irrigation for an hour 2x per week.

More info: We took over the property a few months ago and have no idea what the previous owners did to take care of these trees. Looked kinda like this when we bought the property.
 

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Hayduke

LawnSite Senior Member
Location
Oregon
The bark looks fine. Honestly up here with hot dry summers, most of the Japanese maples start to crisp out on the leaves near the end of summer before they eventually drop their leaves in fall. Especially if they are getting any amount of full sun exposure..To me those leaves just look like they are crisping/drying out near the end of their days.
I would re-assess in the spring when they leaf out again. Japanese maples are pretty damn hardy
 

Doc8406

LawnSite Fanatic
wonder what @hort101 has to say about it
 

hort101

LawnSite Fanatic
Location
S.E. New England
wonder what @hort101 has to say about it
Have to get some more background and try to rule out a few common issues

Did someone pressure wash that fence?

What does the roots and base look like?

Overall stand back 20 feet or more whats the picture look like?
 

Trees Too

LawnSite Fanatic
Location
USDA Zone 6a
Looks like leaves have scorch. (This condition can be exasperated by sprinklers hitting the foliage daily, which can create a magnification effect of the sunlight.)

As for the bark. That's a no-brainer, just LICHEN. [A type of hard algae moss].
For context....
 
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