This is Polygonum tinctorium (Japanese indigo) grown from seed. First harvest of 2025. Carefully dried. Grown without pesticides, so some leaves have been eaten by insects. Cultivation → Harvesting → Picking → Drying The dried leaves can be used to dye not only silk but also cotton. Dyeing is done with hydrosulfite and soda ash. Please check online for details. We will use recycled paper bags and ship via non-standard mail. If you would like to purchase in bulk, please send a message. *We also sell seedlings of Ryukyu indigo. You can enjoy a different type of indigo dyeing from Polygonum tinctorium.