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Dying Miss Kim Lilac Bushes #140735

Asked July 15, 2013, 10:14 AM EDT

My lilac bush flowered this year, but now the leaves are dried and curling.
What can I do about this? Am I losing this shrub?
It lives under a maple tree but leafs out and flowers before the maple leafs out every spring, and it gets sun during the day. I don't see bugs on it.
Thanks.
PS. Let me know if you need a photo.

Adams County Colorado

Expert Response

Is it a recent transplant?  Is it getting enough water?  Is it drip irrigated?  It does sound like you may lose it unless the cause can be identified and corrected.
A photo might help, along with some history of the plant in your yard.
An Ask Extension Expert Replied July 15, 2013, 12:22 PM EDT
Thanks.
No, not a recent transplant. Has been there several years.
It gets plenty of water if the roots grow straight down or under the lawn.

The Question Asker Replied July 15, 2013, 12:36 PM EDT
Thanks for photos.  A couple guesses:
-check some of the lower stems with drying leaves....look for any holes in the lower stems about the size of a BB or this o  .   Check also for any sawdust on ground at the base of stems.   Lilac-ash borers attack ash more often than lilac, but its a possibility.
-if this shrub is drip-irrigated, it could be that one emitter is no longer sufficient for a wider-spreading root system.
-if drip-irrigated, it could be that the emitter(s) for this lilac have been damaged or lines leading to emitters have been damaged by root expansion of the adjacent maple.
An Ask Extension Expert Replied July 15, 2013, 7:15 PM EDT

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