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What is the white stuff on my hydrangea?
Bit asked:
I have two hydrangea bushes with white, almost looks like bird poop, on the underside of the leaves and some on the stems.
I wasn’t sure if it was a fungus and what to do about it.
I don’t want my bushes to be damaged.
6 Responses to “What is the white stuff on my hydrangea?”
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May 15th, 2010 at 6:49 pm
What is the white stuff on my hydrangea? =”HYDRANGRA WHITE STUFF”
May 18th, 2010 at 4:45 pm
You must have very perverse neighbours then.
May 20th, 2010 at 1:05 pm
Here is a list of Hydrangea diseases
If you dont see it on this list your probably safe.
May 20th, 2010 at 8:04 pm
It sounds like powdery mildew. Only water in the morning so the leaves have time to dry out before dark – when mildew can form.
May 21st, 2010 at 3:12 am
There is a certain butterfly that has larva shaped like and looking like bird poop–so the birds won’t eat them. Maybe that’s it. Check and see if it’s actually a living creature. What tipped me off is that it is on the stems as well as the leaves.
May 21st, 2010 at 5:53 am
Could be spittlebugs – they leave a white foamy stuff, but don’t do harm. Or butterfly/moth larvae. Keep an eye on it and if it doesn’t seem to be hurting the plant (lots of leaves curling up, stems dying) I’d leave it alone.