The solution? Grow you own birdseed! Birdseed plants are beautiful and easy to grow. At the end of the season, you can use the seeds to make fresh, nutritious, homegrown birdseed. Growing Plants for Feeding Birds. Sunflowers should always be included in homegrown birdseed. The seeds provide energy for many birds, including finches, nuthatches, juncos, chickadees, cardinals, and grosbeaks, among others.