2000 AAS Flower Winner. Butterflies, bees and hummingbirds love these plants! The first dwarf Mexican sunflower, Fiesta Del Sol thrives on summer heat and humidity, attaining a mature height of 2-3 feet. The single, orange daisy flowers are 2-3 inches across, excellent cut flowers and may attract butterflies. There is an abundance of daisy flowers so that you can cut many for informal bouquets and numerous flowers will remain on the plant for the wildlife. Basically, pest-free, not even deer find the hairy leaves of Tithonia rotundifolia worth eating. Easy-to-grow from seed or plants, Fiesta Del Sol is carefree in the garden or in patio containers. You’ll find the best performance in full sun.