Butterfly Blend wildflower seeds are made up of 50% annuals and 50% perennials. This means lasting flowers, bright colours and butterflies for many seasons to come. The nectar rich flowers in the Butterfly Blend will also attract many species of insects, birds, and wildlife to the bed. Be prepared to enjoy the ever-changing colours of flowers and wildlife that will visit them. Recommended rate of application: 226g per 1,000 square feet.