9 Flowers That Will Attract Songbirds - Cosmos Many bird species love their seeds, Marigolds While better known for deterring pests, their seeds can attract birds once the flowers have died. Amaranth Mostly Known for their grain-like seeds that appeal to many songbirds. Zinnias : These vibrant and colorful flowers beautify your garden and attract insects, drawing in insectivorous birds. Safflower – Its seeds appeal to cardinals and other backyard birds. Bachelor’s Buttons