Hello,
We have a mixture of several types of trees in our backyard, however most are pine trees. Two of the pines have a yellowish foam-like substance on the bark (dripping down trunk). Please help identify the foam and advise of any treatment we should pursue. Could it be harmful?
Regards.
John
We have a mixture of several types of trees in our backyard, however most are pine trees. Two of the pines have a yellowish foam-like substance on the bark (dripping down trunk). Please help identify the foam and advise of any treatment we should pursue. Could it be harmful?
Regards.
John