Set of 5. Bulbs. These late August days are perfect for the tall tropical plant canna lily. Native to zones seven through 10 in the southern United States down to Argentina, these stately perennials are known for their gladiolus-like flower spikes and large leaves. The flowers come in hot colors of red, pink, yellow, orange and bicolored. The most common leaf color is green, but there are varieties with reddish, bronze and variegated leaves to add even more color. They range in height of 1 1/2 feet to 8 feet. Bees and hummingbirds love the flowers. Easy to grow.