Along with the closely-related water and willow oaks, Q.nigra [NIGH-gruh] and Q. phellos [FELL-os] ... and winter leaf retention make pin oak somewhat better than other deciduous trees for ...

Like last year, we are seeing a high number of vein pocket gall on pin oak leaves, which causes abnormal swelling of the leaf near the veins. And, unfortunately, there are no easy fixes.

A single large pin oak tree can rain down up to 400,000 oak leaf itch mites per day. Oak mites can live through the winter in protected areas or within leaves/leaf litter on the ground.

Water oak, willow oak, canby oak and others are in this category. Some trees hold their dead brown leaves through the winter and kick them off only as buds swell, leading to the new growth for the ...