This easy-to-grow perennial is not only loved be most gardeners, but also by the hummingbirds, butterfiles, and bees as their flowers contain lots of nectar. Columbine produce large, showy blooms of single and bicolor patterns on delicate plants from late spring to early summer. These colors range from shades of yellow, white, pink, blue, and purple. Hummingbirds like these! Great for your shady, natural gardens!