Oak Trees Leaves Blackening

Hi, The leaves on 3 once healthy oak trees (20 yr. or so old, 30 ft tall) have withered and darkened: we only noticed this 2 days after the recent frost. Upon inspection there are some tiny insect holes on…

Red Oak Tree foliage problems

Hi I have a red oak tree that is about 15 years old (I planted it 9 years ago) .. It is about 6 meters and was previously doing very well. Not this year. I’ve noticed this year that many…