20 Types of dye materials are selected. Most of them are plants, including flowers, fruits and roots. Two are insects. Two types of mineral are used as mordants.
English: Black Locust
Scientific Name: Flos Sophorae Immaturus
Black locust, or Robinia pseudoacacia, is a deciduous tree native to North America that is now found in many other parts of the world, including Europe and Asia. It is a fast-growing tree that can reach heights of up to 25 meters, with a spreading crown and distinctive white flowers.
Black locust wood is known for its strength and durability, and has been used for a variety of purposes, such as fence posts, railroad ties, and furniture. The wood is also valued for its high energy content, and is sometimes used as a biofuel.
To use black locust bark as a natural dye can produce a range of colors, from light to dark brown, the bark is typically harvested in the spring or fall when the tree is dormant. The bark is then stripped from the tree and boiled in water to extract the tannins. The fabric is then soaked in the dye bath for several hours or overnight, depending on the desired color intensity.
While black locust bark can be an effective natural dye, it is important to note that the bark contains toxic compounds that can be harmful if ingested or inhaled. It is important to take precautions when handling black locust bark, such as wearing gloves and a mask, and to dispose of any waste materials properly.
刺槐，又名刺槐，是原產於北美的落葉樹，現在在世界許多其他地方都有發現，包括歐洲和亞洲。 它是一種快速生長的樹，最高可達 25 米，樹冠展開，開出與眾不同的白色花朵。
2. Lac bugs
6. Connected shell
8. Huai Mi
9. pomegranate peel
12. winter green
14. onion skin
18. five companions
19. black bean coat