Black cherry trees (Prunus serotina ... conditions as black cherry and add texture with their distinctive bark and leaves.

The trees exchange carbon dioxide and oxygen with the atmosphere through little “mouths” in their leaves and tiny “windows” in their bark.

Sargent’s cherry has showy pink flowers in early spring and attractive, shiny brown bark. Like most trees with conspicuous spring flowers, it needs a full-sun site. “It’s not immune to all ...