Tree Bird Feeders Wildflower Suet provides not only a great way to feed wild birds but it also helps to spread native wildflowers in your area. Wildflower seeds have been a staple in the diet of many native wild birds for a long time. Mother nature has utilized birds to spread seeds since the beginning.. Birds eat the seeds and not all ore digested and are passed out along with their droppings. The fecal material gives seeds a small dose of fertilizer. High in nitrogen, the excrement can help fuel the development of foliage in the young plants.