Because most mailboxes are right up against the street, plan..

Because most mailboxes are right up against the street, plants need to be extra tough. Look for varieties that can hold up to summer heat and, if you live in an area that sees much snow, winter salt. Here, drought-tolerant sedum, showy California poppy, iris, fragrant rosemary, and yellow coreopsis mix with colorful purple petunias and verbena. Learn more about growing petunias. Learn more about growing verbena./