Annual that likes full sun-part shade 12-24" tall, blooms May through July. Zones 3-10 Blue Flax is an annual plant native to the Americas.Satiny sky blue flowers, borne on wiry stems, appear in late spring, last through mid-summer, and open fully only on sunny days. Small rounded seedheads form in summer. All seeds are packaged and for the current growing season. TESTED FOR GERMINATION. All seeds are packaged and for the current growing season. PLEASE SEE MY OTHER SEED LISTINGS