Ageratum.
Details
This unique plant produces tassle like flowers in dense clusters
Argeranthemum.
Large, 3" white daisylike flowers bloom all season above finely cut spreading foliage
Bidens.
This compact plant produces bright yellow flowers
Brachycome.
Purple daisylike flowers bloom throughout the summer
Calibracoa.
Small, petunia-like flowers bloom constantly all season and attract hummingbirds
Celosia.
Very dwarf, this plant produces 2.5"(6cm) plumes
Dahlia.
Strong stems produce double long-lasting blooms that face outward or upward
Dianthus.
Compact, basal-branching plants produce petals that are fringed with intricately marked eyes
Diascia.
Delicate flowers cover compact mounds of upright foliage on this heat and cold tolerant plant
Dusty Miller.
Silvery white foliage is finely cut and stylishly accents other bright colors. Thrives in hot, dry conditions