Window boxes have a certain reputation. They’re quaint, they’re cottage-core, they’re fussy. And while there are reasons for these preconceptions, there’s a lot more to the window box than all that.

These best flowers for window boxes will bring colorful plant life into your home, even if you don’t have a garden. Consider these blooms and greens to brighten the exterior of your home or apartment.

November 1 marked the conclusion of a group of the warm-season window boxes created by son James and partner Anthony of Eden Estate Management in Columbus, Georgia. As best as I can calculate, this ...