The intense dazzling yellow to reddish orange semi double flowers on this striking species Cosmos attracts bumblebees, birds, and beneficial insects, and looks terrific in a cut flower bouquet. Plant Bright Lights cosmos seeds in full sun. It’s easy to grow in a variety of soils – tend towards the dry side. Its natural drought tolerance makes it a good candidate for xeriscaping. Plants grow to about 3 feet tall, for the middle or front of a mixed border.