Tiny wine cup flowers, Callirhoe involucrata, are drought-tolerant gems that expand to create a colorful groundcover.
This striking tropical perennial is hardy in warmer parts of the country, but can be a summer annual in colder areas.
Pansies add color to your garden with a variety of shades, from purple and orange to white and yellow.
This tropical vine shows off oversized, trumpet-shaped flowers in bright red, pink, and white during the summer.
False indigo, a drought-tolerant perennial, typically comes in blue or yellow—both fun choices for a colorful garden.
Coral Charm peonies change color throughout their growing season, from raspberry to apricot to cream, says Regina.
Citrus-toned butterfly weed improves the vibrancy of your garden in two ways: it offers colorful blooms and attracts pretty pollinators.
Plants don't come much more eye-catching than the Bat Face cuphea, with its orange-red "wings" and purple-black "face.