What's wrong with my Japanese Maple?
by
CAROL H
+10
My Japanese maple has spots on the trunk and branches. What is wrong with it?
13 answers
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That looks like lichen to me. It's natural and won't hurt your tree.
Douglas Hunt
on Mar 20, 2012
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Douglas is correct. You find it very common on many varieties of Crape Myrtles.
John Madison Landscape, Inc.
on Mar 20, 2012
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That's a relief. Thanks y'all!
CAROL H
on Mar 20, 2012
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Often lichen grows on trees that are stressed or do not get enough sun exposure. Think if there is a way it could be happier, such as enough water, is soil eroding away and roots exposed, mulch coverage... Like the others said, lichen will not hurt it. However, if it gets real thick and cakes on, that dictates the plant is stressed.
Flowerscapes Garden Design & Landscaping
on Mar 21, 2012
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My poor tree is stressed. I dug it up in the middle of summer last year and moved it to a new location. I am pleased that it is still living, all things considered.
CAROL H
on Mar 21, 2012
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Maybe you can apply a basic tree and shrub fertilixer like 10-10-10. Did you amend the soil well and give it a root stimulator like Upstart or B1 when you transplanted it?
Flowerscapes Garden Design & Landscaping
on Mar 21, 2012
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did you ever find out what this is on the trunk and branches? Think I have one of mine thats starting to look like this! The 10 others are fine.
Micky D
on May 25, 2012
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Micky, we identified it as lichen, common to many varieties of crepe myrtle.
Douglas Hunt
on May 26, 2012
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THX Doug!
Micky D
on Jun 07, 2012
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Micky D ( Love the bike!) We have lichen on many of our trees here in Oregon. Just so moist! Like Douglas said, its not going to harm your trees.
Patricia W
on Apr 22, 2013
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I am fairly sure that Lichen is what Hummingbirds use to line the outside of their nests. So, it will not hurt any trees or shrubs.
Wray
on Aug 17, 2015
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Looks like lichen. Show your photos to a nursery center.
Elaine753
on Aug 31, 2015
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I have Help answer this question...
Geraldine Glasscock
on Feb 15, 2016
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