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athenainwi

Foam-like things on rose stems?

athenainwi
15 years ago

When I was out spraying yesterday I noticed several roses had bits of foam on the canes, usually near a leaf node. The foam looked like soap bubbles and was small. The foam stuff came off if I sprayed hard enough. What is it? Is it from an insect? Should I wash it off all of my roses or not worry about it? I didn't see any damage or any insects, but I'm a little worried because it was on my bigger roses that have buds now and I want to finally see blooms! The weather was a little odd yesterday as it was suddenly very warm this weekend but I didn't think that would have caused it.

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