An elite high school in Tokyo turns 130 next year, and a pine tree grown from seeds in Kitty Hawk graces its front entrance.

The dreaded courtship of the loblolly pine and its cousins has reached its crescendo. Here’s when we’ll see relief.

The short answer: no. According to experts at North Carolina State University, that same yellow pine pollen that has coated almost everything recently is too large of a grain to be allergenic. Rather, ...