shriveled leaves on Grace Cotinus

LauraL12June 24, 2012

I have a Grace Cotinus (which I believe is a hybrid between the smoke bush and the smoke tree). It started off beautifully this year, after a spring pruning.

In the past couple of weeks, however, leaves have started shriveling up and falling off. Some branches are all brown, some still look healthy.

I don't see any fungus spots, or any bugs. I did have trouble with some sort of small white mite on this bush a couple of years ago, but if there are any insects on there now, they are invisible to the naked eye.

I'd be grateful for any help you can give.

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jean001a(Portland OR 7b)

pictures night help. An overall view please.

Beyond that, how long has it been in the ground?

    Bookmark   June 24, 2012 at 9:55PM
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ken_adrian Adrian MI cold Z5

which I believe is a hybrid between the smoke bush and the smoke tree

==>> teach me.. is there a difference???? i thought it was just a pruning/training technique ...

has the lawn recently been sprayed???

pics??

ken

    Bookmark   June 25, 2012 at 8:49AM
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steven1032

sounds kinda like verticullium wilt. leaves turn brown dry up and branches turn brown. it acts like a drought. restricts water from reaching the leaves. if you cut one of the branches you can see streaking in the branch if you have it.
but without pictures it is hard to tell what is going on. but by what you are telling us that is as close as i can tell you what it is.

    Bookmark   June 26, 2012 at 12:06PM
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rhizo_1 (North AL) zone 7

Ken...FYI: Cotinus coggygria x Cotinus obovatus = Cotinus 'Grace'

C. coggygria is the European/Asian Smoke Bush and C. obovatus is American Smoke tree. It is not a pruning technique.

    Bookmark   June 26, 2012 at 1:25PM
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jean001a(Portland OR 7b)

any chance of pictures?

    Bookmark   June 26, 2012 at 10:34PM
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