As spring advances and temperatures turn warmer, trees blossom and release pollen — the fine, yellow powder that covers cars, patios and other outdoor surfaces.

The 128 species of maple ... color when in bloom, and they have a pleasing shape when not blooming. Because mulberry trees are wind-pollinated, they release copious amounts of lightweight pollen ...

Pollen bombs also referred to as "pollen vortex" are categorized as events where large amounts of pollen are unleashed. This can occur when there is an unusually long or cold winter followed by windy, ...

Their awakening buds lend color to a gray landscape and signal ... offering bees and insects a critical early source of pollen and nectar. Red maple (Acer rubrum) is one of the most common native ...

The state Department of Environmental Quality, which measures the amount of pollen in the air, says numbers have been rising for tree pollen already, and grass and weed pollen are coming.