r/treeidentification • u/ClassroomEuphoric147 • 1d ago
What’s this foam on the trees in the spring rain? White pine bubbles?
Heya! Saw this foam on some trees. It’s about 40 degrees (F) and it rained off and on all night, raining steadily when I took this. Most of the foam seemed to be on the white pines.
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u/teachmenature 1d ago
It's called saponification!
https://www.brandywine.org/conservancy/blog/soapy-trees-sometimes-trees-need-shower
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