Ask a Question forum: mallow spores

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Southern California
oldecarlsbad
Apr 18, 2017 11:02 PM CST
I have a mallow shrub that has massive spore damage on the leaves. I've tried stripping the leaves, but the spores come back. I do not overwater. What else can I do?
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Apr 19, 2017 4:13 AM CST
Welcome!

I'm guessing this is rust disease, does it look like these pictures?:
https://www.google.ca/search?q...

If so, a Google search for "hollyhock rust" will bring up pages with suggestions for control - if you wish to use fungicides what is available to you can vary depending on where you live. Here is one example:

http://hort.uwex.edu/articles/...

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