One of the earliest harbingers of spring is the cherry blossom tree (Prunus spp.), which bursts into pink and white clouds of cotton candy blossoms in March and April. They're celebrated at cherry ...

ARLINGTON, Va. (7News) — Spring is around the corner, which means cherry blossom season is in full effect across Washington, D.C. This unfortunately also means that pesky spring pollen is on the rise.