Trumpet honeysuckle blooms prolifically in late spring and sporadically throughout the summer with red to orange to yellow flowers. Magnifica' has bright red two-inch long flowers with yellow interiors. Trumpet vine or trumpet creeper is a vigorous growing vine. Columbine is an attractive easy to grow perennial flowering late spring to early summer. It starts easily from seed and will often reseed in the garden.
Cardinal flower is an intense red and some varieties have red leaves.
Unfortunately cultivated varieties are bred for looks and not the quality of nectar, so it is best to have the common species predominate. Cardinal flowers prefer light shade and moist soils. A native annual, jewelweed, has orange or yellow summer flowers. It normally grows in shady moist areas and will reseed itself each year. Other perennial plants reported to be good for hummingbirds include butterfly bush, catnip, delphinium, hollyhock, hosta, lavender, lilies, monarda, morning glory, penstemon and red or orange phlox.