All of our seed are shipped with growing & harvesting instructions. We will even tell you how to harvest your own seed if we know!  Mugwort is easy to grow from seed. You can direct sow in the fall for germination in the spring or you can cold stratify them & plant them in the spring. Seed needs light to germinate so you should surface sow. Leaves can be harvested for drying in August. Roots can be harvested in the fall.