Japanes lilac tree

I have a mature Japanese Lilac Tree that for the first time (after a dry winter in Colorado) has edges of some leaves curling and turning brown, not sure if insect or drought related? Thank you!

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1 Comment To "Japanes lilac tree"

#1 Comment By Downtoearthdigs On 05/14/2017 @ 9:23 pm

It is difficult to tell from just your description. It could be from dry conditions or more serious diseases such as blight or verticillium wilt.
These links have more information.
You can also talk with your County Extension Office.
https://www.gardeningknowhow.com/extension-search/ ^[1]

http://www.ct.gov/caes/lib/caes/documents/publications/fact_sheets/plant_pathology_and_ecology/verticillium_wilt_of_trees_and_shrubs.pdf ^[2]
http://www.extension.umn.edu/garden/diagnose/plant/deciduous/japanesetreelilac/leavesdiscolored.html ^[3]
https://www.gardeningknowhow.com/ornamental/shrubs/lilac/japanese-lilac-information.htm ^[4]

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URL to article: https://questions.gardeningknowhow.com/japanes-lilac-tree/

URLs in this post:

[1] https://www.gardeningknowhow.com/extension-search/: https://www.gardeningknowhow.com/extension-search/

[2] http://www.ct.gov/caes/lib/caes/documents/publications/fact_sheets/plant_pathology_and_ecology/verticillium_wilt_of_trees_and_shrubs.pdf: http://www.ct.gov/caes/lib/caes/documents/publications/fact_sheets/plant_pathology_and_ecology/verticillium_wilt_of_trees_and_shrubs.pdf

[3] http://www.extension.umn.edu/garden/diagnose/plant/deciduous/japanesetreelilac/leavesdiscolored.html: http://www.extension.umn.edu/garden/diagnose/plant/deciduous/japanesetreelilac/leavesdiscolored.html

[4] https://www.gardeningknowhow.com/ornamental/shrubs/lilac/japanese-lilac-information.htm: https://www.gardeningknowhow.com/ornamental/shrubs/lilac/japanese-lilac-information.htm

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