Profusion Zinnias are short and container-friendly. They grow 12 to 15 inches and bloom nonstop all summer without fading. White, orange, yellow, and red. Some are bicolor. Start with seeds or garden centre plants.
Most of us buy annual flowers as plants in the spring. Sunlight and water will make them bloom. Halfway through the summer, cut back petunias by one-third to one-half and watch them flourish and bloom.
Shade-lovers can grow impatiens for season-long bloom. Breeders have created new impatiens cultivars, notably the Beacon series, that resist downy mildew.
SunPatiens are impatiens' shade-tolerant cousins. These annual hybrid flowers are related to impatiens. They thrive in well-drained soil and make good container plants.
Pentas (Pentas lancelota) attracts butterflies. This 18-inch tropical annual has pink, red, white, and lavender blooms.
Clusters of five-petaled, star-shaped blooms grow. Growing pentas from seeds or spring plants. Removing spent blooms can ensure summer blooming.
Proven Winners Double Up Red has red blooms and golden foliage. They like well-drained soil and drought. As with other annual flowers, they love weekly fertilising in a container.
Vinca (Catharanthus roseus) is another annual tropical plant. Not the blue-flowering vinca ground cover called Madagascar periwinkle. Annual vinca grows well in full sun to part shade and well-drained soil.
Snapdragons are a spring-planted flower that blooms well into September. Eight-inch to two-foot varieties exist. Snapdragons prefer sunny, well-drained soil.