rose of sharons have a white substance

My rose of sharons have a white substance at the base of the stems just above the ground level. What is this?

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1 Comment To "rose of sharons have a white substance"

#1 Comment By Downtoearthdigs On 05/02/2016 @ 6:09 pm

A photo would assist in my identification but I will give this my best shot.

It could be southern blight:
https://www.gardeningknowhow.com/plant-problems/disease/controlling-southern-blight.htm ^[1]
http://www.apsnet.org/edcenter/intropp/lessons/fungi/Basidiomycetes/Article%20Images/SouthernBlight09.jpg ^[2]

Or a type of white mold:
http://utahpests.usu.edu/ipm/htm/ornamentals/landscape-insects-and-diseases/white-mold/ ^[3]

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URL to article: https://questions.gardeningknowhow.com/my-rose-of-sharons-have-a-white-substance-at-the-base-of-the-stems-just-above-th/

URLs in this post:

[1] https://www.gardeningknowhow.com/plant-problems/disease/controlling-southern-blight.htm: https://www.gardeningknowhow.com/plant-problems/disease/controlling-southern-blight.htm

[2] http://www.apsnet.org/edcenter/intropp/lessons/fungi/Basidiomycetes/Article%20Images/SouthernBlight09.jpg: http://www.apsnet.org/edcenter/intropp/lessons/fungi/Basidiomycetes/Article%20Images/SouthernBlight09.jpg

[3] http://utahpests.usu.edu/ipm/htm/ornamentals/landscape-insects-and-diseases/white-mold/: http://utahpests.usu.edu/ipm/htm/ornamentals/landscape-insects-and-diseases/white-mold/

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