As any of you folks that feed birds know that commercial wild bird seeds consists of sunflower, millet, maybe a little bit of oats, cracked corn, but the bulk is grain sorghum ........... so we have a bird feeder right next to our pond, and so undoubtedly a grain sorghum seed was flicked into the pond and took bare root in the rocks in my waterfall..... needless to say this fall I will pull it out , but any of you guys wanting something different in your pond.... here you go