Butterfly Feeder and Nectar by Songbird Essentials Designed and tested by a butterfly breeder, this easy to assemble feeder in red and yellow and the included nectar mixture will attract beautiful butterflies to your garden. The feeder has a 6oz fill capacity and the nectar mixture makes 104 oz. Fruit spikes also allow you to put out fresh fruit. Has both nectar wicks in red and nectar tubes built into the feeder. Hang from the coated wire or attach by the base to a 3/4" pole. Nectar mixture formulated by butterfly breeder includes sugar, sodium salts, and trace minerals to attract butterflies.