Primary propagation for zizia can be done through seed sowing or division, with division being the most effective. The best time to sow seeds is in the fall, allowing cold stratification to break dormancy. For division, do it in spring or fall when temperatures are mild. The plant prefers well-drained soil and partial to full sun exposure. Moist chilling is a special consideration for seed germination. Propagating zizia is generally easy and suitable for beginner gardeners. For division, dig up the plant, gently separate the clumps, and replant at the same depth. For seeds, sow directly outdoors in prepared beds and cover lightly with soil. Water consistently until established.