29+ Oak Tree Leaves Turning Brown In Summer. Tender tissue along leaf margins is usually affected first, though any part of the leaf may turn brown maple (acer), red oak (quercus rubra), and flowering dogwood (cornus florida) are most susceptible to leaf scorch. Oaks are valuable landscaping trees, which are also important for the production.
I remember the brown, crumbly dust of late summer that gets into the eyes and makes them water. Daphne richards answers why trees drop their leaves in. Why is it dropping leaves in summer instead of in spring?
Examine the tree closely to identify the areas that are turning brown.
This can be due to several factors, including insects. I was resting under the great oak tree in the yard. The probable reasons for this are lack of water, drainage issues, quality of soil, diseases, and pest infestation. Look on the underside of leaves.