The cardinal flower depends on the long beaks of hummingbirds for pollination. Cardinal flowers are perennials with red blossoms that bloom from May to October. USDA Growing Zones: 3 to 9.

More than 1,500 different types of flowers bloom over the course of a long and vibrant season. Fast-fading woodland flowers begin opening as early as February, including lady slipper orchids, iris, ...