A garden can keep feeding birds long after the last bee disappears from the flowers, and the trick often involves doing absolutely nothing. Instead of cutting every faded bloom to the ground, gardeners can leave mature seedheads standing so finches, sparrows, chickadees, and other seed-eating birds can pick through them as fall progresses. Cornell Lab of Ornithology specifically recommends leaving plants such as purple coneflower, black-eyed Susan, and sunflowers standing because their seeds provide food for birds in fall and beyond.
That changes the usual fall cleanup routine in a wonderfully lazy way. The flowerbed does not need to look perfectly manicured when birds are still treating it like a buffet, and those dried stems can add winter texture while protecting food supplies from disappearing under a rake or into a compost bin. The key involves choosing plants that actually produce useful seeds, then giving birds enough time to find them.