Felicia daisy (Felicia amelloides) is a bushy, South African native valued for its bright masses of miniature blooms. Felicia daisy flowers consist of showy, sky blue petals and bright yellow centers. Butterflies are attracted to the vivid blue blooms. This hardy plant revels in hot, dry climates and doesn’t perform well in wet soil or humidity. Blue Daisy Information Felicia daisy is often known as blue daisy or blue kingfisher daisy. Mature height of the plant is about 18 inches (45.7 cm.) , spreading out 4 to 5 feet (1 to 1.5 m.) in width.