wilting leaves on lilac

carenlee3(7)May 13, 2014

I did a search to the best of my ability and couldn't find anything like this. I live in WA state. The weather has been both moist and sunny off and on. My lilac bush is prolific on one side and on the other side has curling leaves with curling brown edges. I can't see any bugs. See the attached image if you will and please advise if you can!

Thanks!
Caren

This post was edited by carenlee3 on Wed, May 14, 14 at 0:36

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jean001a(Portland OR 7b)

Not wilted. Curled.

Any chance -- even though it may be very slim -- of weed killer used anywhere in the vicinity? By you? a garden helper? a neighbor?

    Bookmark   May 13, 2014 at 10:33PM
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carenlee3(7)

Actually you're on to something. I've been using some Round Up on some weeds around the garden. It's not supposed to hurt desirable plants but could that be it?
Thank you!

    Bookmark   May 14, 2014 at 12:38AM
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rhizo_1 (North AL) zone 7

RoundUp will harm any growing plant that it comes into contact with. It can also be absorbed through cracks or lenticels in the bark, though people don't want to hear that.

If you read the label on your herbicide, you'll find warnings about getting it anywhere near valuble plants.

    Bookmark   May 14, 2014 at 5:49AM
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carenlee3(7)

But, the weeds I sprayed are on the ground and I just sprayed the weeds. I was careful with the Round Up and there wasn't any wind....

What do you do about weeds that are in the middle of your perennials, shrubs?

Thank you! Caren

    Bookmark   May 14, 2014 at 1:31PM
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susanzone5(z5NY)

Dig up the weeds by hand and then apply a mulch to prevent further weeds.

    Bookmark   May 14, 2014 at 3:20PM
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jean001a(Portland OR 7b)

Herbicides and all other pesticides often go off-site via the turbulence of the spray..

    Bookmark   May 14, 2014 at 7:36PM
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carenlee3(7)

Thank you for everyone's advice. You don't think there is anything else it could be?

Thanks again,
Caren

    Bookmark   May 14, 2014 at 7:46PM
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Kimmsr(4a/5b-MI)

Lilacs are particularly sensitive to any plant poison and the can often absorb any applied to the soil through the roots. Even though these glyphosate products are only supposed to work if absorbed by the plants leaves I have seen just what you have too many times to not suspect that is what your problem is.

    Bookmark   May 15, 2014 at 7:27AM
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carenlee3(7)

Wow! I'm so glad I know this now. Thank you so much for your help I really appreciate it!
Caren

    Bookmark   May 15, 2014 at 6:07PM
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