The cottonwood is a shade tree and can live longer than 100 years. It thrives in floodplains and riverbeds and is known as an attractive tree with unique bark and flat leaves that rustle in the wind.

KALAMAZOO, Mich.—Western Michigan University celebrated Arbor Day by adding three new trees to campus on Friday, April 28. The two pagoda dogwoods and giant dogwood now stand outside the southeast ...