15-18" tall. Starflower is sensational a native wildflower from the Pacific Northwest. This Starflower Mix blooms in early summer and provides a soothing mix of flowers in white and shades of blue. Plant these bulbs in most any well-drained soil and in a location with full sun. This is a durable, easy-to-grow, long lived native that also provides colorful bouquets. Cold hardy in zones 6-10.