The deep, velvety tones of 'Storm Blue' petunia seem to make the clean white flowers of 'Maverick White' geranium really pop out. This easy-to-grow annual flower combination makes a bold contrasts.
Angelmist Purple' angelonia has beautiful mauve flower spikes that create the perfect backdrop for more compact 'Orange Profusion' zinnias.
'Orange Profusion' zinnias make a first-rate partner for the showy cup-shaped flowers of 'Forever Blue' lisianthus. Both plants thrive in sunny spaces all summer long.
Create gorgeous annual flower arrangements without flowers. Even without the double coral flowers, 'Orange Profusion' zinnias and 'Occold Shield' geranium (a perennial in Hardiness Zones 9-10) look great together.
Annual licorice vine's silvery foliage makes it a versatile companion for brightly colored blooms. Here, it blends beautifully with the delicate hot pink flowers of 'Profusion Cherry' zinnia.
Color-related annuals are usually best planted together. When paired with a subdued tone, rich purple blooms can make any garden glow. Bold 'Purple Wave' petunias complement ageratum's powder-puff purple blossoms.
Bold colors make an eye-catching environment, but tropical plants may enhance it. 'Blue Horizon' ageratum's fluffy, towering flowers contrast with blooming maple's orange hibiscus-like blooms.